9cd3cbadab
Trying to de-dupe the phrase strings to avoid allocating as much memory and creating as many pointers. Shortened topic.status_closed_aria slightly. Moved some things that should have been in various panel.css' into those panel.css' Fixed the MemUsed dashboard item on Cosora. Added the bunit template function.
1841 lines
52 KiB
Go
1841 lines
52 KiB
Go
package tmpl
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"reflect"
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"runtime/debug"
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"strconv"
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"strings"
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"text/template/parse"
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"time"
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)
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// TODO: Turn this file into a library
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var textOverlapList = make(map[string]int)
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// TODO: Stop hard-coding this here
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var langPkg = "github.com/Azareal/Gosora/common/phrases"
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type VarItem struct {
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Name string
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Destination string
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Type string
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}
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type VarItemReflect struct {
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Name string
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Destination string
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Value reflect.Value
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}
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type CTemplateConfig struct {
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Minify bool
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Debug bool
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SuperDebug bool
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SkipHandles bool
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SkipTmplPtrMap bool
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SkipInitBlock bool
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PackageName string
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}
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// nolint
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type CTemplateSet struct {
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templateList map[string]*parse.Tree
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fileDir string
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funcMap map[string]interface{}
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importMap map[string]string
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//templateFragmentCount map[string]int
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fragOnce map[string]bool
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fragmentCursor map[string]int
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FragOut []OutFrag
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fragBuf []Fragment
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varList map[string]VarItem
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localVars map[string]map[string]VarItemReflect
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hasDispInt bool
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localDispStructIndex int
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langIndexToName []string
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guestOnly bool
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memberOnly bool
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stats map[string]int
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//tempVars map[string]string
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config CTemplateConfig
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baseImportMap map[string]string
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buildTags string
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overridenTrack map[string]map[string]bool
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overridenRoots map[string]map[string]bool
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themeName string
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perThemeTmpls map[string]bool
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logger *log.Logger
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loggerf *os.File
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lang string
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}
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func NewCTemplateSet(in string) *CTemplateSet {
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f, err := os.OpenFile("./logs/tmpls-"+in+"-"+strconv.FormatInt(time.Now().Unix(), 10)+".log", os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0755)
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if err != nil {
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panic(err)
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}
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return &CTemplateSet{
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config: CTemplateConfig{
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PackageName: "main",
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},
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baseImportMap: map[string]string{},
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overridenRoots: map[string]map[string]bool{},
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funcMap: map[string]interface{}{
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"and": "&&",
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"not": "!",
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"or": "||",
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"eq": "==",
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"ge": ">=",
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"gt": ">",
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"le": "<=",
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"lt": "<",
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"ne": "!=",
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"add": "+",
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"subtract": "-",
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"multiply": "*",
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"divide": "/",
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"dock": true,
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"hasWidgets": true,
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"elapsed": true,
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"lang": true,
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//"langf":true,
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"level": true,
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"bunit": true,
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"abstime": true,
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"reltime": true,
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"scope": true,
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"dyntmpl": true,
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"index": true,
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"flush": true,
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},
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logger: log.New(f, "", log.LstdFlags),
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loggerf: f,
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lang: in,
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}
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}
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func (c *CTemplateSet) SetConfig(config CTemplateConfig) {
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if config.PackageName == "" {
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config.PackageName = "main"
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}
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c.config = config
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}
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func (c *CTemplateSet) GetConfig() CTemplateConfig {
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return c.config
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}
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func (c *CTemplateSet) SetBaseImportMap(importMap map[string]string) {
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c.baseImportMap = importMap
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}
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func (c *CTemplateSet) SetBuildTags(tags string) {
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c.buildTags = tags
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}
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func (c *CTemplateSet) SetOverrideTrack(overriden map[string]map[string]bool) {
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c.overridenTrack = overriden
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}
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func (c *CTemplateSet) GetOverridenRoots() map[string]map[string]bool {
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return c.overridenRoots
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}
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func (c *CTemplateSet) SetThemeName(name string) {
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c.themeName = name
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}
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func (c *CTemplateSet) SetPerThemeTmpls(perThemeTmpls map[string]bool) {
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c.perThemeTmpls = perThemeTmpls
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}
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func (c *CTemplateSet) ResetLogs(in string) {
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f, err := os.OpenFile("./logs/tmpls-"+in+"-"+strconv.FormatInt(time.Now().Unix(), 10)+".log", os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0755)
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if err != nil {
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panic(err)
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}
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c.logger = log.New(f, "", log.LstdFlags)
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c.loggerf = f
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}
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type SkipBlock struct {
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Frags map[int]int
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LastCount int
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ClosestFragSkip int
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}
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type Skipper struct {
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Count int
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Index int
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}
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type OutFrag struct {
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TmplName string
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Index int
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Body string
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}
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func (c *CTemplateSet) CompileByLoggedin(name string, fileDir string, expects string, expectsInt interface{}, varList map[string]VarItem, imports ...string) (stub string, gout string, mout string, err error) {
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c.importMap = map[string]string{}
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for index, item := range c.baseImportMap {
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c.importMap[index] = item
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}
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for _, importItem := range imports {
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c.importMap[importItem] = importItem
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}
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var importList string
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for _, item := range c.importMap {
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importList += "import \"" + item + "\"\n"
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}
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fname := strings.TrimSuffix(name, filepath.Ext(name))
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if c.themeName != "" {
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_, ok := c.perThemeTmpls[fname]
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if !ok {
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return "", "", "", nil
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}
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fname += "_" + c.themeName
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}
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c.importMap["github.com/Azareal/Gosora/common"] = "github.com/Azareal/Gosora/common"
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stub = `package ` + c.config.PackageName + `
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` + importList + `
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import "errors"
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`
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if !c.config.SkipInitBlock {
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stub += "// nolint\nfunc init() {\n"
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if !c.config.SkipHandles && c.themeName == "" {
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stub += "\tcommon.Template_" + fname + "_handle = Template_" + fname + "\n"
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stub += "\tcommon.Ctemplates = append(common.Ctemplates,\"" + fname + "\")\n"
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}
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if !c.config.SkipTmplPtrMap {
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stub += "tmpl := Template_" + fname + "\n"
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stub += "\tcommon.TmplPtrMap[\"" + fname + "\"] = &tmpl\n"
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stub += "\tcommon.TmplPtrMap[\"o_" + fname + "\"] = tmpl\n"
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}
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stub += "}\n\n"
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}
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// TODO: Try to remove this redundant interface cast
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stub += `
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// nolint
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func Template_` + fname + `(tmpl_` + fname + `_i interface{}, w io.Writer) error {
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tmpl_` + fname + `_vars, ok := tmpl_` + fname + `_i.(` + expects + `)
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if !ok {
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return errors.New("invalid page struct value")
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}
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if tmpl_` + fname + `_vars.CurrentUser.Loggedin {
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return Template_` + fname + `_member(tmpl_` + fname + `_i, w)
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}
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return Template_` + fname + `_guest(tmpl_` + fname + `_i, w)
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}`
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c.fileDir = fileDir
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content, err := c.loadTemplate(c.fileDir, name)
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if err != nil {
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c.detail("bailing out: ", err)
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return "", "", "", err
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}
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c.guestOnly = true
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gout, err = c.compile(name, content, expects, expectsInt, varList, imports...)
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if err != nil {
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return "", "", "", err
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}
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c.guestOnly = false
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c.memberOnly = true
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mout, err = c.compile(name, content, expects, expectsInt, varList, imports...)
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c.memberOnly = false
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return stub, gout, mout, err
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}
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func (c *CTemplateSet) Compile(name string, fileDir string, expects string, expectsInt interface{}, varList map[string]VarItem, imports ...string) (out string, err error) {
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if c.config.Debug {
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c.logger.Println("Compiling template '" + name + "'")
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}
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c.fileDir = fileDir
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content, err := c.loadTemplate(c.fileDir, name)
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if err != nil {
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c.detail("bailing out: ", err)
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return "", err
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}
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return c.compile(name, content, expects, expectsInt, varList, imports...)
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}
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func (c *CTemplateSet) compile(name string, content string, expects string, expectsInt interface{}, varList map[string]VarItem, imports ...string) (out string, err error) {
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defer func() {
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r := recover()
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if r != nil {
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fmt.Println(r)
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debug.PrintStack()
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err := c.loggerf.Sync()
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if err != nil {
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fmt.Println(err)
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}
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log.Fatal("")
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return
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}
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}()
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//c.dumpCall("compile", name, content, expects, expectsInt, varList, imports)
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//c.detailf("c: %+v\n", c)
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c.importMap = map[string]string{}
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for index, item := range c.baseImportMap {
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c.importMap[index] = item
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}
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c.importMap["errors"] = "errors"
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for _, importItem := range imports {
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c.importMap[importItem] = importItem
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}
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c.varList = varList
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c.hasDispInt = false
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c.localDispStructIndex = 0
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c.stats = make(map[string]int)
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tree := parse.New(name, c.funcMap)
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var treeSet = make(map[string]*parse.Tree)
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tree, err = tree.Parse(content, "{{", "}}", treeSet, c.funcMap)
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if err != nil {
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return "", err
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}
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c.detail(name)
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fname := strings.TrimSuffix(name, filepath.Ext(name))
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if c.themeName != "" {
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_, ok := c.perThemeTmpls[fname]
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if !ok {
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c.detail("fname not in c.perThemeTmpls")
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c.detail("c.perThemeTmpls", c.perThemeTmpls)
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return "", nil
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}
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fname += "_" + c.themeName
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}
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if c.guestOnly {
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fname += "_guest"
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} else if c.memberOnly {
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fname += "_member"
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}
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c.detail("root overridenTrack loop")
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c.detail("fname:", fname)
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for themeName, track := range c.overridenTrack {
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c.detail("themeName:", themeName)
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c.detailf("track: %+v\n", track)
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croot, ok := c.overridenRoots[themeName]
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if !ok {
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croot = make(map[string]bool)
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c.overridenRoots[themeName] = croot
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}
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c.detailf("croot: %+v\n", croot)
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for tmplName, _ := range track {
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cname := tmplName
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if c.guestOnly {
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cname += "_guest"
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} else if c.memberOnly {
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cname += "_member"
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}
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c.detail("cname:", cname)
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if fname == cname {
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c.detail("match")
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croot[strings.TrimSuffix(strings.TrimSuffix(fname, "_guest"), "_member")] = true
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} else {
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c.detail("no match")
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}
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}
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}
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c.detailf("c.overridenRoots: %+v\n", c.overridenRoots)
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var outBuf []OutBufferFrame
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var rootHold = "tmpl_" + fname + "_vars"
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con := CContext{
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RootHolder: rootHold,
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VarHolder: rootHold,
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HoldReflect: reflect.ValueOf(expectsInt),
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RootTemplateName: fname,
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TemplateName: fname,
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OutBuf: &outBuf,
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}
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c.templateList = map[string]*parse.Tree{fname: tree}
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c.detail(c.templateList)
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c.localVars = make(map[string]map[string]VarItemReflect)
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c.localVars[fname] = make(map[string]VarItemReflect)
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c.localVars[fname]["."] = VarItemReflect{".", con.VarHolder, con.HoldReflect}
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if c.fragOnce == nil {
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c.fragOnce = make(map[string]bool)
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}
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c.fragmentCursor = map[string]int{fname: 0}
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c.fragBuf = nil
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c.langIndexToName = nil
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// TODO: Is this the first template loaded in? We really should have some sort of constructor for CTemplateSet
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//if c.templateFragmentCount == nil {
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// c.templateFragmentCount = make(map[string]int)
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//}
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//c.detailf("c: %+v\n", c)
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startIndex := con.StartTemplate("")
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c.rootIterate(c.templateList[fname], con)
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con.EndTemplate("")
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c.afterTemplate(con, startIndex)
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//c.templateFragmentCount[fname] = c.fragmentCursor[fname] + 1
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_, ok := c.fragOnce[fname]
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if !ok {
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c.fragOnce[fname] = true
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}
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if len(c.langIndexToName) > 0 {
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c.importMap[langPkg] = langPkg
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}
|
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var importList string
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for _, item := range c.importMap {
|
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importList += "import \"" + item + "\"\n"
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}
|
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var varString string
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for _, varItem := range c.varList {
|
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varString += "var " + varItem.Name + " " + varItem.Type + " = " + varItem.Destination + "\n"
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}
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var fout string
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if c.buildTags != "" {
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fout += "// +build " + c.buildTags + "\n\n"
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}
|
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fout += "// Code generated by Gosora. More below:\n/* This file was automatically generated by the software. Please don't edit it as your changes may be overwritten at any moment. */\n"
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fout += "package " + c.config.PackageName + "\n" + importList + "\n"
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|
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if !c.config.SkipInitBlock {
|
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if len(c.langIndexToName) > 0 {
|
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fout += "var " + fname + "_tmpl_phrase_id int\n\n"
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}
|
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fout += "// nolint\nfunc init() {\n"
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|
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if !c.config.SkipHandles && c.themeName == "" {
|
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fout += "\tcommon.Template_" + fname + "_handle = Template_" + fname + "\n"
|
|
fout += "\tcommon.Ctemplates = append(common.Ctemplates,\"" + fname + "\")\n"
|
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}
|
|
|
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if !c.config.SkipTmplPtrMap {
|
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fout += "tmpl := Template_" + fname + "\n"
|
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fout += "\tcommon.TmplPtrMap[\"" + fname + "\"] = &tmpl\n"
|
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fout += "\tcommon.TmplPtrMap[\"o_" + fname + "\"] = tmpl\n"
|
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}
|
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if len(c.langIndexToName) > 0 {
|
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fout += "\t" + fname + "_tmpl_phrase_id = phrases.RegisterTmplPhraseNames([]string{\n"
|
|
for _, name := range c.langIndexToName {
|
|
fout += "\t\t" + `"` + name + `"` + ",\n"
|
|
}
|
|
fout += "\t})\n"
|
|
}
|
|
fout += "}\n\n"
|
|
}
|
|
|
|
if c.lang == "normal" {
|
|
fout += "// nolint\nfunc Template_" + fname + "(tmpl_" + fname + "_i interface{}, w io.Writer) error {\n"
|
|
fout += `tmpl_` + fname + `_vars, ok := tmpl_` + fname + `_i.(` + expects + `)
|
|
if !ok {
|
|
return errors.New("invalid page struct value")
|
|
}
|
|
`
|
|
fout += `var iw http.ResponseWriter
|
|
gzw, ok := w.(common.GzipResponseWriter)
|
|
if ok {
|
|
iw = gzw.ResponseWriter
|
|
}
|
|
_ = iw
|
|
`
|
|
} else {
|
|
fout += "// nolint\nfunc Template_" + fname + "(tmpl_" + fname + "_vars interface{}, w io.Writer) error {\n"
|
|
}
|
|
|
|
if len(c.langIndexToName) > 0 {
|
|
fout += "var plist = phrases.GetTmplPhrasesBytes(" + fname + "_tmpl_phrase_id)\n"
|
|
}
|
|
fout += varString
|
|
|
|
var skipped = make(map[string]*SkipBlock) // map[templateName]*SkipBlock{map[atIndexAndAfter]skipThisMuch,lastCount}
|
|
|
|
var writeTextFrame = func(tmplName string, index int) {
|
|
out := "w.Write(" + tmplName + "_frags[" + strconv.Itoa(index) + "]" + ")\n"
|
|
c.detail("writing ", out)
|
|
fout += out
|
|
}
|
|
|
|
for fid := 0; len(outBuf) > fid; fid++ {
|
|
frame := outBuf[fid]
|
|
c.detail(frame.Type + " frame")
|
|
if frame.Type == "text" {
|
|
c.detail(frame)
|
|
oid := fid
|
|
c.detail("oid:", oid)
|
|
skipBlock, ok := skipped[frame.TemplateName]
|
|
if !ok {
|
|
skipBlock = &SkipBlock{make(map[int]int), 0, 0}
|
|
skipped[frame.TemplateName] = skipBlock
|
|
}
|
|
skip := skipBlock.LastCount
|
|
c.detailf("skipblock %+v\n", skipBlock)
|
|
//var count int
|
|
for len(outBuf) > fid+1 && outBuf[fid+1].Type == "text" && outBuf[fid+1].TemplateName == frame.TemplateName {
|
|
c.detail("pre fid:", fid)
|
|
//count++
|
|
next := outBuf[fid+1]
|
|
c.detail("next frame:", next)
|
|
c.detail("frame frag:", c.fragBuf[frame.Extra2.(int)])
|
|
c.detail("next frag:", c.fragBuf[next.Extra2.(int)])
|
|
c.fragBuf[frame.Extra2.(int)].Body += c.fragBuf[next.Extra2.(int)].Body
|
|
c.fragBuf[next.Extra2.(int)].Seen = true
|
|
fid++
|
|
skipBlock.LastCount++
|
|
skipBlock.Frags[frame.Extra.(int)] = skipBlock.LastCount
|
|
c.detail("post fid:", fid)
|
|
}
|
|
writeTextFrame(frame.TemplateName, frame.Extra.(int)-skip)
|
|
} else if frame.Type == "varsub" || frame.Type == "cvarsub" {
|
|
fout += "w.Write(" + frame.Body + ")\n"
|
|
} else if frame.Type == "identifier" {
|
|
fout += frame.Body
|
|
} else if frame.Type == "lang" {
|
|
fout += "w.Write(plist[" + strconv.Itoa(frame.Extra.(int)) + "])\n"
|
|
} else {
|
|
fout += frame.Body
|
|
}
|
|
}
|
|
fout += "return nil\n}\n"
|
|
|
|
var writeFrag = func(tmplName string, index int, body string) {
|
|
//c.detail("writing ", fragmentPrefix)
|
|
c.FragOut = append(c.FragOut, OutFrag{tmplName, index, body})
|
|
}
|
|
|
|
for _, frag := range c.fragBuf {
|
|
c.detail("frag: ", frag)
|
|
if frag.Seen {
|
|
c.detail("invisible")
|
|
continue
|
|
}
|
|
// TODO: What if the same template is invoked in multiple spots in a template?
|
|
skipBlock := skipped[frag.TemplateName]
|
|
skip := skipBlock.Frags[skipBlock.ClosestFragSkip]
|
|
_, ok := skipBlock.Frags[frag.Index]
|
|
if ok {
|
|
skipBlock.ClosestFragSkip = frag.Index
|
|
}
|
|
c.detailf("skipblock %+v\n", skipBlock)
|
|
c.detail("skipping ", skip)
|
|
index := frag.Index - skip
|
|
if index < 0 {
|
|
index = 0
|
|
}
|
|
writeFrag(frag.TemplateName, index, frag.Body)
|
|
}
|
|
|
|
fout = strings.Replace(fout, `))
|
|
w.Write([]byte(`, " + ", -1)
|
|
fout = strings.Replace(fout, "` + `", "", -1)
|
|
|
|
if c.config.Debug {
|
|
for index, count := range c.stats {
|
|
c.logger.Println(index+": ", strconv.Itoa(count))
|
|
}
|
|
c.logger.Println(" ")
|
|
}
|
|
c.detail("Output!")
|
|
c.detail(fout)
|
|
return fout, nil
|
|
}
|
|
|
|
func (c *CTemplateSet) rootIterate(tree *parse.Tree, con CContext) {
|
|
c.dumpCall("rootIterate", tree, con)
|
|
c.detail(tree.Root)
|
|
for _, node := range tree.Root.Nodes {
|
|
c.detail("Node:", node.String())
|
|
c.compileSwitch(con, node)
|
|
}
|
|
c.retCall("rootIterate")
|
|
}
|
|
|
|
func inSlice(haystack []string, expr string) bool {
|
|
for _, needle := range haystack {
|
|
if needle == expr {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (c *CTemplateSet) compileSwitch(con CContext, node parse.Node) {
|
|
c.dumpCall("compileSwitch", con, node)
|
|
defer c.retCall("compileSwitch")
|
|
switch node := node.(type) {
|
|
case *parse.ActionNode:
|
|
c.detail("Action Node")
|
|
if node.Pipe == nil {
|
|
break
|
|
}
|
|
for _, cmd := range node.Pipe.Cmds {
|
|
c.compileSubSwitch(con, cmd)
|
|
}
|
|
case *parse.IfNode:
|
|
c.detail("If Node:")
|
|
c.detail("node.Pipe", node.Pipe)
|
|
var expr string
|
|
for _, cmd := range node.Pipe.Cmds {
|
|
c.detail("If Node Bit:", cmd)
|
|
c.detail("Bit Type:", reflect.ValueOf(cmd).Type().Name())
|
|
expr += c.compileExprSwitch(con, cmd)
|
|
c.detail("Expression Step:", c.compileExprSwitch(con, cmd))
|
|
}
|
|
|
|
c.detail("Expression:", expr)
|
|
// Simple member / guest optimisation for now
|
|
// TODO: Expand upon this
|
|
userExprs, negUserExprs := buildUserExprs(con.RootHolder)
|
|
if c.guestOnly {
|
|
c.detail("optimising away member branch")
|
|
if inSlice(userExprs, expr) {
|
|
c.detail("positive conditional:", expr)
|
|
if node.ElseList != nil {
|
|
c.compileSwitch(con, node.ElseList)
|
|
}
|
|
return
|
|
} else if inSlice(negUserExprs, expr) {
|
|
c.detail("negative conditional:", expr)
|
|
c.compileSwitch(con, node.List)
|
|
return
|
|
}
|
|
} else if c.memberOnly {
|
|
c.detail("optimising away guest branch")
|
|
if (con.RootHolder + ".CurrentUser.Loggedin") == expr {
|
|
c.detail("positive conditional:", expr)
|
|
c.compileSwitch(con, node.List)
|
|
return
|
|
} else if ("!" + con.RootHolder + ".CurrentUser.Loggedin") == expr {
|
|
c.detail("negative conditional:", expr)
|
|
if node.ElseList != nil {
|
|
c.compileSwitch(con, node.ElseList)
|
|
}
|
|
return
|
|
}
|
|
}
|
|
|
|
con.Push("startif", "if "+expr+" {\n")
|
|
c.compileSwitch(con, node.List)
|
|
if node.ElseList == nil {
|
|
c.detail("Selected Branch 1")
|
|
con.Push("endif", "}\n")
|
|
} else {
|
|
c.detail("Selected Branch 2")
|
|
con.Push("endif", "}")
|
|
con.Push("startelse", " else {\n")
|
|
c.compileSwitch(con, node.ElseList)
|
|
con.Push("endelse", "}\n")
|
|
}
|
|
case *parse.ListNode:
|
|
c.detailf("List Node: %+v\n", node)
|
|
for _, subnode := range node.Nodes {
|
|
c.compileSwitch(con, subnode)
|
|
}
|
|
case *parse.RangeNode:
|
|
c.compileRangeNode(con, node)
|
|
case *parse.TemplateNode:
|
|
c.compileSubTemplate(con, node)
|
|
case *parse.TextNode:
|
|
c.addText(con, node.Text)
|
|
default:
|
|
c.unknownNode(node)
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) addText(con CContext, text []byte) {
|
|
c.dumpCall("addText", con, text)
|
|
tmpText := bytes.TrimSpace(text)
|
|
if len(tmpText) == 0 {
|
|
return
|
|
}
|
|
nodeText := string(text)
|
|
c.detail("con.TemplateName: ", con.TemplateName)
|
|
fragIndex := c.fragmentCursor[con.TemplateName]
|
|
_, ok := c.fragOnce[con.TemplateName]
|
|
c.fragBuf = append(c.fragBuf, Fragment{nodeText, con.TemplateName, fragIndex, ok})
|
|
con.PushText(strconv.Itoa(fragIndex), fragIndex, len(c.fragBuf)-1)
|
|
c.fragmentCursor[con.TemplateName] = fragIndex + 1
|
|
}
|
|
|
|
func (c *CTemplateSet) compileRangeNode(con CContext, node *parse.RangeNode) {
|
|
c.dumpCall("compileRangeNode", con, node)
|
|
defer c.retCall("compileRangeNode")
|
|
c.detail("node.Pipe: ", node.Pipe)
|
|
var expr string
|
|
var outVal reflect.Value
|
|
for _, cmd := range node.Pipe.Cmds {
|
|
c.detail("Range Bit:", cmd)
|
|
// ! This bit is slightly suspect, hm.
|
|
expr, outVal = c.compileReflectSwitch(con, cmd)
|
|
}
|
|
c.detail("Expr:", expr)
|
|
c.detail("Range Kind Switch!")
|
|
|
|
var startIf = func(item reflect.Value, useCopy bool) {
|
|
con.Push("startif", "if len("+expr+") != 0 {\n")
|
|
startIndex := con.StartLoop("for _, item := range " + expr + " {\n")
|
|
ccon := con
|
|
var depth string
|
|
if ccon.VarHolder == "item" {
|
|
depth = strings.TrimPrefix(ccon.VarHolder, "item")
|
|
if depth != "" {
|
|
idepth, err := strconv.Atoi(depth)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
depth = strconv.Itoa(idepth + 1)
|
|
}
|
|
}
|
|
ccon.VarHolder = "item" + depth
|
|
ccon.HoldReflect = item
|
|
c.compileSwitch(ccon, node.List)
|
|
if con.LastBufIndex() == startIndex {
|
|
con.DiscardAndAfter(startIndex - 1)
|
|
return
|
|
}
|
|
con.EndLoop("}\n")
|
|
c.afterTemplate(con, startIndex)
|
|
if node.ElseList != nil {
|
|
con.Push("endif", "}")
|
|
con.Push("startelse", " else {\n")
|
|
if !useCopy {
|
|
ccon = con
|
|
}
|
|
c.compileSwitch(ccon, node.ElseList)
|
|
con.Push("endelse", "}\n")
|
|
} else {
|
|
con.Push("endif", "}\n")
|
|
}
|
|
}
|
|
|
|
switch outVal.Kind() {
|
|
case reflect.Map:
|
|
var item reflect.Value
|
|
for _, key := range outVal.MapKeys() {
|
|
item = outVal.MapIndex(key)
|
|
}
|
|
c.detail("Range item:", item)
|
|
if !item.IsValid() {
|
|
c.critical("expr:", expr)
|
|
c.critical("con.VarHolder", con.VarHolder)
|
|
panic("item" + "^\n" + "Invalid map. Maybe, it doesn't have any entries for the template engine to analyse?")
|
|
}
|
|
startIf(item, true)
|
|
case reflect.Slice:
|
|
if outVal.Len() == 0 {
|
|
c.critical("expr:", expr)
|
|
c.critical("con.VarHolder", con.VarHolder)
|
|
panic("The sample data needs at-least one or more elements for the slices. We're looking into removing this requirement at some point!")
|
|
}
|
|
startIf(outVal.Index(0), false)
|
|
case reflect.Invalid:
|
|
return
|
|
}
|
|
}
|
|
|
|
// ! Temporary, we probably want something that is good with non-struct pointers too
|
|
// For compileSubSwitch and compileSubTemplate
|
|
func (c *CTemplateSet) skipStructPointers(cur reflect.Value, id string) reflect.Value {
|
|
if cur.Kind() == reflect.Ptr {
|
|
c.detail("Looping over pointer")
|
|
for cur.Kind() == reflect.Ptr {
|
|
cur = cur.Elem()
|
|
}
|
|
c.detail("Data Kind:", cur.Kind().String())
|
|
c.detail("Field Bit:", id)
|
|
}
|
|
return cur
|
|
}
|
|
|
|
// For compileSubSwitch and compileSubTemplate
|
|
func (c *CTemplateSet) checkIfValid(cur reflect.Value, varHolder string, holdreflect reflect.Value, varBit string, multiline bool) {
|
|
if !cur.IsValid() {
|
|
c.critical("Debug Data:")
|
|
c.critical("Holdreflect:", holdreflect)
|
|
c.critical("Holdreflect.Kind():", holdreflect.Kind())
|
|
if !c.config.SuperDebug {
|
|
c.critical("cur.Kind():", cur.Kind().String())
|
|
}
|
|
c.critical("")
|
|
if !multiline {
|
|
panic(varHolder + varBit + "^\n" + "Invalid value. Maybe, it doesn't exist?")
|
|
}
|
|
panic(varBit + "^\n" + "Invalid value. Maybe, it doesn't exist?")
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) compileSubSwitch(con CContext, node *parse.CommandNode) {
|
|
c.dumpCall("compileSubSwitch", con, node)
|
|
switch n := node.Args[0].(type) {
|
|
case *parse.FieldNode:
|
|
c.detail("Field Node:", n.Ident)
|
|
/* Use reflect to determine if the field is for a method, otherwise assume it's a variable. Variable declarations are coming soon! */
|
|
cur := con.HoldReflect
|
|
|
|
var varBit string
|
|
if cur.Kind() == reflect.Interface {
|
|
cur = cur.Elem()
|
|
varBit += ".(" + cur.Type().Name() + ")"
|
|
}
|
|
|
|
var assLines string
|
|
var multiline = false
|
|
for _, id := range n.Ident {
|
|
c.detail("Data Kind:", cur.Kind().String())
|
|
c.detail("Field Bit:", id)
|
|
cur = c.skipStructPointers(cur, id)
|
|
c.checkIfValid(cur, con.VarHolder, con.HoldReflect, varBit, multiline)
|
|
|
|
c.detail("in-loop varBit: " + varBit)
|
|
if cur.Kind() == reflect.Map {
|
|
cur = cur.MapIndex(reflect.ValueOf(id))
|
|
varBit += "[\"" + id + "\"]"
|
|
cur = c.skipStructPointers(cur, id)
|
|
|
|
if cur.Kind() == reflect.Struct || cur.Kind() == reflect.Interface {
|
|
// TODO: Move the newVarByte declaration to the top level or to the if level, if a dispInt is only used in a particular if statement
|
|
var dispStr, newVarByte string
|
|
if cur.Kind() == reflect.Interface {
|
|
dispStr = "Int"
|
|
if !c.hasDispInt {
|
|
newVarByte = ":"
|
|
c.hasDispInt = true
|
|
}
|
|
}
|
|
// TODO: De-dupe identical struct types rather than allocating a variable for each one
|
|
if cur.Kind() == reflect.Struct {
|
|
dispStr = "Struct" + strconv.Itoa(c.localDispStructIndex)
|
|
newVarByte = ":"
|
|
c.localDispStructIndex++
|
|
}
|
|
con.VarHolder = "disp" + dispStr
|
|
varBit = con.VarHolder + " " + newVarByte + "= " + con.VarHolder + varBit + "\n"
|
|
multiline = true
|
|
} else {
|
|
continue
|
|
}
|
|
}
|
|
if cur.Kind() != reflect.Interface {
|
|
cur = cur.FieldByName(id)
|
|
varBit += "." + id
|
|
}
|
|
|
|
// TODO: Handle deeply nested pointers mixed with interfaces mixed with pointers better
|
|
if cur.Kind() == reflect.Interface {
|
|
cur = cur.Elem()
|
|
varBit += ".("
|
|
// TODO: Surely, there's a better way of doing this?
|
|
if cur.Type().PkgPath() != "main" && cur.Type().PkgPath() != "" {
|
|
c.importMap["html/template"] = "html/template"
|
|
varBit += strings.TrimPrefix(cur.Type().PkgPath(), "html/") + "."
|
|
}
|
|
varBit += cur.Type().Name() + ")"
|
|
}
|
|
c.detail("End Cycle: ", varBit)
|
|
}
|
|
|
|
if multiline {
|
|
assSplit := strings.Split(varBit, "\n")
|
|
varBit = assSplit[len(assSplit)-1]
|
|
assSplit = assSplit[:len(assSplit)-1]
|
|
assLines = strings.Join(assSplit, "\n") + "\n"
|
|
}
|
|
c.compileVarSub(con, con.VarHolder+varBit, cur, assLines, func(in string) string {
|
|
for _, varItem := range c.varList {
|
|
if strings.HasPrefix(in, varItem.Destination) {
|
|
in = strings.Replace(in, varItem.Destination, varItem.Name, 1)
|
|
}
|
|
}
|
|
return in
|
|
})
|
|
case *parse.DotNode:
|
|
c.detail("Dot Node:", node.String())
|
|
c.compileVarSub(con, con.VarHolder, con.HoldReflect, "", nil)
|
|
case *parse.NilNode:
|
|
panic("Nil is not a command x.x")
|
|
case *parse.VariableNode:
|
|
c.detail("Variable Node:", n.String())
|
|
c.detail(n.Ident)
|
|
varname, reflectVal := c.compileIfVarSub(con, n.String())
|
|
c.compileVarSub(con, varname, reflectVal, "", nil)
|
|
case *parse.StringNode:
|
|
con.Push("stringnode", n.Quoted)
|
|
case *parse.IdentifierNode:
|
|
c.detail("Identifier Node:", node)
|
|
c.detail("Identifier Node Args:", node.Args)
|
|
out, outval, lit, noident := c.compileIdentSwitch(con, node)
|
|
if noident {
|
|
return
|
|
} else if lit {
|
|
con.Push("identifier", out)
|
|
return
|
|
}
|
|
c.compileVarSub(con, out, outval, "", nil)
|
|
default:
|
|
c.unknownNode(node)
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) compileExprSwitch(con CContext, node *parse.CommandNode) (out string) {
|
|
c.dumpCall("compileExprSwitch", con, node)
|
|
firstWord := node.Args[0]
|
|
switch n := firstWord.(type) {
|
|
case *parse.FieldNode:
|
|
if c.config.SuperDebug {
|
|
c.logger.Println("Field Node:", n.Ident)
|
|
for _, id := range n.Ident {
|
|
c.logger.Println("Field Bit:", id)
|
|
}
|
|
}
|
|
/* Use reflect to determine if the field is for a method, otherwise assume it's a variable. Coming Soon. */
|
|
out = c.compileBoolSub(con, n.String())
|
|
case *parse.ChainNode:
|
|
c.detail("Chain Node:", n.Node)
|
|
c.detail("Node Args:", node.Args)
|
|
case *parse.IdentifierNode:
|
|
c.detail("Identifier Node:", node)
|
|
c.detail("Node Args:", node.Args)
|
|
out = c.compileIdentSwitchN(con, node)
|
|
case *parse.DotNode:
|
|
out = con.VarHolder
|
|
case *parse.VariableNode:
|
|
c.detail("Variable Node:", n.String())
|
|
c.detail("Node Identifier:", n.Ident)
|
|
out, _ = c.compileIfVarSub(con, n.String())
|
|
case *parse.NilNode:
|
|
panic("Nil is not a command x.x")
|
|
case *parse.PipeNode:
|
|
c.detail("Pipe Node!")
|
|
c.detail(n)
|
|
c.detail("Node Args:", node.Args)
|
|
out += c.compileIdentSwitchN(con, node)
|
|
default:
|
|
c.unknownNode(firstWord)
|
|
}
|
|
c.retCall("compileExprSwitch", out)
|
|
return out
|
|
}
|
|
|
|
func (c *CTemplateSet) unknownNode(node parse.Node) {
|
|
c.logger.Println("Unknown Kind:", reflect.ValueOf(node).Elem().Kind())
|
|
c.logger.Println("Unknown Type:", reflect.ValueOf(node).Elem().Type().Name())
|
|
panic("I don't know what node this is! Grr...")
|
|
}
|
|
|
|
func (c *CTemplateSet) compileIdentSwitchN(con CContext, node *parse.CommandNode) (out string) {
|
|
c.detail("in compileIdentSwitchN")
|
|
out, _, _, _ = c.compileIdentSwitch(con, node)
|
|
return out
|
|
}
|
|
|
|
func (c *CTemplateSet) dumpSymbol(pos int, node *parse.CommandNode, symbol string) {
|
|
c.detail("symbol: ", symbol)
|
|
c.detail("node.Args[pos + 1]", node.Args[pos+1])
|
|
c.detail("node.Args[pos + 2]", node.Args[pos+2])
|
|
}
|
|
|
|
func (c *CTemplateSet) compareFunc(con CContext, pos int, node *parse.CommandNode, compare string) (out string) {
|
|
c.dumpSymbol(pos, node, compare)
|
|
return c.compileIfVarSubN(con, node.Args[pos+1].String()) + " " + compare + " " + c.compileIfVarSubN(con, node.Args[pos+2].String())
|
|
}
|
|
|
|
func (c *CTemplateSet) simpleMath(con CContext, pos int, node *parse.CommandNode, symbol string) (out string, val reflect.Value) {
|
|
leftParam, val2 := c.compileIfVarSub(con, node.Args[pos+1].String())
|
|
rightParam, val3 := c.compileIfVarSub(con, node.Args[pos+2].String())
|
|
|
|
if val2.IsValid() {
|
|
val = val2
|
|
} else if val3.IsValid() {
|
|
val = val3
|
|
} else {
|
|
// TODO: What does this do?
|
|
numSample := 1
|
|
val = reflect.ValueOf(numSample)
|
|
}
|
|
c.dumpSymbol(pos, node, symbol)
|
|
return leftParam + " " + symbol + " " + rightParam, val
|
|
}
|
|
|
|
func (c *CTemplateSet) compareJoin(con CContext, pos int, node *parse.CommandNode, symbol string) (pos2 int, out string) {
|
|
c.detailf("Building %s function", symbol)
|
|
if pos == 0 {
|
|
c.logger.Println("pos:", pos)
|
|
panic(symbol + " is missing a left operand")
|
|
}
|
|
if len(node.Args) <= pos {
|
|
c.logger.Println("post pos:", pos)
|
|
c.logger.Println("len(node.Args):", len(node.Args))
|
|
panic(symbol + " is missing a right operand")
|
|
}
|
|
|
|
left := c.compileBoolSub(con, node.Args[pos-1].String())
|
|
_, funcExists := c.funcMap[node.Args[pos+1].String()]
|
|
|
|
var right string
|
|
if !funcExists {
|
|
right = c.compileBoolSub(con, node.Args[pos+1].String())
|
|
}
|
|
out = left + " " + symbol + " " + right
|
|
|
|
c.detail("Left operand:", node.Args[pos-1])
|
|
c.detail("Right operand:", node.Args[pos+1])
|
|
if !funcExists {
|
|
pos++
|
|
}
|
|
c.detail("pos:", pos)
|
|
c.detail("len(node.Args):", len(node.Args))
|
|
|
|
return pos, out
|
|
}
|
|
|
|
func (c *CTemplateSet) compileIdentSwitch(con CContext, node *parse.CommandNode) (out string, val reflect.Value, literal bool, notident bool) {
|
|
c.dumpCall("compileIdentSwitch", con, node)
|
|
var litString = func(inner string, bytes bool) {
|
|
if !bytes {
|
|
inner = "StringToBytes(" + inner + ")"
|
|
}
|
|
out = "w.Write(" + inner + ")\n"
|
|
literal = true
|
|
}
|
|
ArgLoop:
|
|
for pos := 0; pos < len(node.Args); pos++ {
|
|
id := node.Args[pos]
|
|
c.detail("pos:", pos)
|
|
c.detail("ID:", id)
|
|
switch id.String() {
|
|
case "not":
|
|
out += "!"
|
|
case "or", "and":
|
|
var rout string
|
|
pos, rout = c.compareJoin(con, pos, node, c.funcMap[id.String()].(string)) // TODO: Test this
|
|
out += rout
|
|
case "le", "lt", "gt", "ge", "eq", "ne":
|
|
out += c.compareFunc(con, pos, node, c.funcMap[id.String()].(string))
|
|
break ArgLoop
|
|
case "add", "subtract", "divide", "multiply":
|
|
rout, rval := c.simpleMath(con, pos, node, c.funcMap[id.String()].(string))
|
|
out += rout
|
|
val = rval
|
|
break ArgLoop
|
|
case "elapsed":
|
|
leftOperand := node.Args[pos+1].String()
|
|
leftParam, _ := c.compileIfVarSub(con, leftOperand)
|
|
// TODO: Refactor this
|
|
// TODO: Validate that this is actually a time.Time
|
|
litString("time.Since("+leftParam+").String()", false)
|
|
c.importMap["time"] = "time"
|
|
break ArgLoop
|
|
case "dock":
|
|
// TODO: Implement string literals properly
|
|
leftOperand := node.Args[pos+1].String()
|
|
rightOperand := node.Args[pos+2].String()
|
|
if len(leftOperand) == 0 || len(rightOperand) == 0 {
|
|
panic("The left or right operand for function dock cannot be left blank")
|
|
}
|
|
leftParam := leftOperand
|
|
if leftOperand[0] != '"' {
|
|
leftParam, _ = c.compileIfVarSub(con, leftParam)
|
|
}
|
|
if rightOperand[0] == '"' {
|
|
panic("The right operand for function dock cannot be a string")
|
|
}
|
|
rightParam, val3 := c.compileIfVarSub(con, rightOperand)
|
|
if !val3.IsValid() {
|
|
panic("val3 is invalid")
|
|
}
|
|
val = val3
|
|
|
|
// TODO: Refactor this
|
|
litString("common.BuildWidget("+leftParam+","+rightParam+")", false)
|
|
break ArgLoop
|
|
case "hasWidgets":
|
|
// TODO: Implement string literals properly
|
|
leftOperand := node.Args[pos+1].String()
|
|
rightOperand := node.Args[pos+2].String()
|
|
if len(leftOperand) == 0 || len(rightOperand) == 0 {
|
|
panic("The left or right operand for function dock cannot be left blank")
|
|
}
|
|
leftParam := leftOperand
|
|
if leftOperand[0] != '"' {
|
|
leftParam, _ = c.compileIfVarSub(con, leftParam)
|
|
}
|
|
if rightOperand[0] == '"' {
|
|
panic("The right operand for function dock cannot be a string")
|
|
}
|
|
rightParam, val3 := c.compileIfVarSub(con, rightOperand)
|
|
if !val3.IsValid() {
|
|
panic("val3 is invalid")
|
|
}
|
|
val = val3
|
|
|
|
// TODO: Refactor this
|
|
out = "common.HasWidgets(" + leftParam + "," + rightParam + ")"
|
|
literal = true
|
|
break ArgLoop
|
|
case "lang":
|
|
// TODO: Implement string literals properly
|
|
leftOperand := node.Args[pos+1].String()
|
|
if len(leftOperand) == 0 {
|
|
panic("The left operand for the language string cannot be left blank")
|
|
}
|
|
if leftOperand[0] != '"' {
|
|
panic("Phrase names cannot be dynamic")
|
|
}
|
|
// ! Slightly crude but it does the job
|
|
leftParam := strings.Replace(leftOperand, "\"", "", -1)
|
|
c.langIndexToName = append(c.langIndexToName, leftParam)
|
|
notident = true
|
|
con.PushPhrase(len(c.langIndexToName) - 1)
|
|
break ArgLoop
|
|
// TODO: Implement langf
|
|
case "level":
|
|
// TODO: Implement level literals
|
|
leftOperand := node.Args[pos+1].String()
|
|
if len(leftOperand) == 0 {
|
|
panic("The leftoperand for function level cannot be left blank")
|
|
}
|
|
leftParam, _ := c.compileIfVarSub(con, leftOperand)
|
|
// TODO: Refactor this
|
|
litString("phrases.GetLevelPhrase("+leftParam+")", false)
|
|
c.importMap[langPkg] = langPkg
|
|
break ArgLoop
|
|
case "bunit":
|
|
// TODO: Implement bunit literals
|
|
leftOperand := node.Args[pos+1].String()
|
|
if len(leftOperand) == 0 {
|
|
panic("The leftoperand for function buint cannot be left blank")
|
|
}
|
|
leftParam, _ := c.compileIfVarSub(con, leftOperand)
|
|
out = "{\nbyteFloat, unit := common.ConvertByteUnit(float64(" + leftParam + "))\n"
|
|
out += "w.Write(fmt.Sprintf(\"%.1f\", byteFloat) + unit)\n"
|
|
literal = true
|
|
break ArgLoop
|
|
case "abstime":
|
|
// TODO: Implement level literals
|
|
leftOperand := node.Args[pos+1].String()
|
|
if len(leftOperand) == 0 {
|
|
panic("The leftoperand for function abstime cannot be left blank")
|
|
}
|
|
leftParam, _ := c.compileIfVarSub(con, leftOperand)
|
|
// TODO: Refactor this
|
|
litString(leftParam+".Format(\"2006-01-02 15:04:05\")", false)
|
|
break ArgLoop
|
|
case "reltime":
|
|
// TODO: Implement level literals
|
|
leftOperand := node.Args[pos+1].String()
|
|
if len(leftOperand) == 0 {
|
|
panic("The leftoperand for function reltime cannot be left blank")
|
|
}
|
|
leftParam, _ := c.compileIfVarSub(con, leftOperand)
|
|
// TODO: Refactor this
|
|
litString("common.RelativeTime("+leftParam+")", false)
|
|
break ArgLoop
|
|
case "scope":
|
|
literal = true
|
|
break ArgLoop
|
|
case "dyntmpl":
|
|
var pageParam, headParam string
|
|
// TODO: Implement string literals properly
|
|
// TODO: Should we check to see if pos+3 is within the bounds of the slice?
|
|
nameOperand := node.Args[pos+1].String()
|
|
pageOperand := node.Args[pos+2].String()
|
|
headOperand := node.Args[pos+3].String()
|
|
if len(nameOperand) == 0 || len(pageOperand) == 0 || len(headOperand) == 0 {
|
|
panic("None of the three operands for function dyntmpl can be left blank")
|
|
}
|
|
nameParam := nameOperand
|
|
if nameOperand[0] != '"' {
|
|
nameParam, _ = c.compileIfVarSub(con, nameParam)
|
|
}
|
|
if pageOperand[0] == '"' {
|
|
panic("The page operand for function dyntmpl cannot be a string")
|
|
}
|
|
if headOperand[0] == '"' {
|
|
panic("The head operand for function dyntmpl cannot be a string")
|
|
}
|
|
|
|
pageParam, val3 := c.compileIfVarSub(con, pageOperand)
|
|
if !val3.IsValid() {
|
|
panic("val3 is invalid")
|
|
}
|
|
headParam, val4 := c.compileIfVarSub(con, headOperand)
|
|
if !val4.IsValid() {
|
|
panic("val4 is invalid")
|
|
}
|
|
val = val4
|
|
|
|
// TODO: Refactor this
|
|
// TODO: Call the template function directly rather than going through RunThemeTemplate to eliminate a round of indirection?
|
|
out = "{\nerr := " + headParam + ".Theme.RunTmpl(" + nameParam + "," + pageParam + ",w)\n"
|
|
out += "if err != nil {\nreturn err\n}\n}\n"
|
|
literal = true
|
|
break ArgLoop
|
|
case "flush":
|
|
if c.lang == "js" {
|
|
continue
|
|
}
|
|
out = "if fl, ok := iw.(http.Flusher); ok {\n"
|
|
out += "fl.Flush()\n"
|
|
out += "}\n"
|
|
literal = true
|
|
c.importMap["net/http"] = "net/http"
|
|
break ArgLoop
|
|
default:
|
|
c.detail("Variable!")
|
|
if len(node.Args) > (pos + 1) {
|
|
nextNode := node.Args[pos+1].String()
|
|
if nextNode == "or" || nextNode == "and" {
|
|
continue
|
|
}
|
|
}
|
|
out += c.compileIfVarSubN(con, id.String())
|
|
}
|
|
}
|
|
c.retCall("compileIdentSwitch", out, val, literal)
|
|
return out, val, literal, notident
|
|
}
|
|
|
|
func (c *CTemplateSet) compileReflectSwitch(con CContext, node *parse.CommandNode) (out string, outVal reflect.Value) {
|
|
c.dumpCall("compileReflectSwitch", con, node)
|
|
firstWord := node.Args[0]
|
|
switch n := firstWord.(type) {
|
|
case *parse.FieldNode:
|
|
if c.config.SuperDebug {
|
|
c.logger.Println("Field Node:", n.Ident)
|
|
for _, id := range n.Ident {
|
|
c.logger.Println("Field Bit:", id)
|
|
}
|
|
}
|
|
/* Use reflect to determine if the field is for a method, otherwise assume it's a variable. Coming Soon. */
|
|
return c.compileIfVarSub(con, n.String())
|
|
case *parse.ChainNode:
|
|
c.detail("Chain Node:", n.Node)
|
|
c.detail("node.Args:", node.Args)
|
|
case *parse.DotNode:
|
|
return con.VarHolder, con.HoldReflect
|
|
case *parse.NilNode:
|
|
panic("Nil is not a command x.x")
|
|
default:
|
|
//panic("I don't know what node this is")
|
|
}
|
|
return out, outVal
|
|
}
|
|
|
|
func (c *CTemplateSet) compileIfVarSubN(con CContext, varname string) (out string) {
|
|
c.dumpCall("compileIfVarSubN", con, varname)
|
|
out, _ = c.compileIfVarSub(con, varname)
|
|
return out
|
|
}
|
|
|
|
func (c *CTemplateSet) compileIfVarSub(con CContext, varname string) (out string, val reflect.Value) {
|
|
c.dumpCall("compileIfVarSub", con, varname)
|
|
cur := con.HoldReflect
|
|
if varname[0] != '.' && varname[0] != '$' {
|
|
return varname, cur
|
|
}
|
|
|
|
var stepInterface = func() {
|
|
var nobreak = (cur.Type().Name() == "nobreak")
|
|
c.detailf("cur.Type().Name(): %+v\n", cur.Type().Name())
|
|
if cur.Kind() == reflect.Interface && !nobreak {
|
|
cur = cur.Elem()
|
|
out += ".(" + cur.Type().Name() + ")"
|
|
}
|
|
}
|
|
|
|
bits := strings.Split(varname, ".")
|
|
if varname[0] == '$' {
|
|
var res VarItemReflect
|
|
if varname[1] == '.' {
|
|
res = c.localVars[con.TemplateName]["."]
|
|
} else {
|
|
res = c.localVars[con.TemplateName][strings.TrimPrefix(bits[0], "$")]
|
|
}
|
|
out += res.Destination
|
|
cur = res.Value
|
|
|
|
if cur.Kind() == reflect.Interface {
|
|
cur = cur.Elem()
|
|
}
|
|
} else {
|
|
out += con.VarHolder
|
|
stepInterface()
|
|
}
|
|
bits[0] = strings.TrimPrefix(bits[0], "$")
|
|
|
|
var dumpKind = func(pre string) {
|
|
c.detail(pre+" Kind:", cur.Kind())
|
|
c.detail(pre+" Type:", cur.Type().Name())
|
|
}
|
|
dumpKind("Cur")
|
|
for _, bit := range bits {
|
|
c.detail("Variable Field:", bit)
|
|
if bit == "" {
|
|
continue
|
|
}
|
|
|
|
// TODO: Fix this up so that it works for regular pointers and not just struct pointers. Ditto for the other cur.Kind() == reflect.Ptr we have in this file
|
|
if cur.Kind() == reflect.Ptr {
|
|
c.detail("Looping over pointer")
|
|
for cur.Kind() == reflect.Ptr {
|
|
cur = cur.Elem()
|
|
}
|
|
c.detail("Data Kind:", cur.Kind().String())
|
|
c.detail("Field Bit:", bit)
|
|
}
|
|
|
|
cur = cur.FieldByName(bit)
|
|
out += "." + bit
|
|
if !cur.IsValid() {
|
|
c.logger.Println("cur: ", cur)
|
|
panic(out + "^\n" + "Invalid value. Maybe, it doesn't exist?")
|
|
}
|
|
stepInterface()
|
|
if !cur.IsValid() {
|
|
c.logger.Println("cur: ", cur)
|
|
panic(out + "^\n" + "Invalid value. Maybe, it doesn't exist?")
|
|
}
|
|
dumpKind("Data")
|
|
}
|
|
|
|
c.detail("Out Value:", out)
|
|
dumpKind("Out")
|
|
for _, varItem := range c.varList {
|
|
if strings.HasPrefix(out, varItem.Destination) {
|
|
out = strings.Replace(out, varItem.Destination, varItem.Name, 1)
|
|
}
|
|
}
|
|
|
|
_, ok := c.stats[out]
|
|
if ok {
|
|
c.stats[out]++
|
|
} else {
|
|
c.stats[out] = 1
|
|
}
|
|
|
|
c.retCall("compileIfVarSub", out, cur)
|
|
return out, cur
|
|
}
|
|
|
|
func (c *CTemplateSet) compileBoolSub(con CContext, varname string) string {
|
|
c.dumpCall("compileBoolSub", con, varname)
|
|
out, val := c.compileIfVarSub(con, varname)
|
|
// TODO: What if it's a pointer or an interface? I *think* we've got pointers handled somewhere, but not interfaces which we don't know the types of at compile time
|
|
switch val.Kind() {
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64:
|
|
out += " > 0"
|
|
case reflect.Bool: // Do nothing
|
|
case reflect.String:
|
|
out += " != \"\""
|
|
case reflect.Slice, reflect.Map:
|
|
out = "len(" + out + ") != 0"
|
|
default:
|
|
c.logger.Println("Variable Name:", varname)
|
|
c.logger.Println("Variable Holder:", con.VarHolder)
|
|
c.logger.Println("Variable Kind:", con.HoldReflect.Kind())
|
|
panic("I don't know what this variable's type is o.o\n")
|
|
}
|
|
c.retCall("compileBoolSub", out)
|
|
return out
|
|
}
|
|
|
|
// For debugging the template generator
|
|
func (c *CTemplateSet) debugParam(param interface{}, depth int) (pstr string) {
|
|
switch p := param.(type) {
|
|
case CContext:
|
|
return "con,"
|
|
case reflect.Value:
|
|
if p.Kind() == reflect.Ptr || p.Kind() == reflect.Interface {
|
|
for p.Kind() == reflect.Ptr || p.Kind() == reflect.Interface {
|
|
if p.Kind() == reflect.Ptr {
|
|
pstr += "*"
|
|
} else {
|
|
pstr += "£"
|
|
}
|
|
p = p.Elem()
|
|
}
|
|
}
|
|
kind := p.Kind().String()
|
|
if kind != "struct" {
|
|
pstr += kind
|
|
} else {
|
|
pstr += p.Type().Name()
|
|
}
|
|
return pstr + ","
|
|
case string:
|
|
return "\"" + p + "\","
|
|
case int:
|
|
return strconv.Itoa(p) + ","
|
|
case bool:
|
|
if p {
|
|
return "true,"
|
|
}
|
|
return "false,"
|
|
case func(string) string:
|
|
if p == nil {
|
|
return "nil,"
|
|
}
|
|
return "func(string) string),"
|
|
default:
|
|
return "?,"
|
|
}
|
|
}
|
|
func (c *CTemplateSet) dumpCall(name string, params ...interface{}) {
|
|
var pstr string
|
|
for _, param := range params {
|
|
pstr += c.debugParam(param, 0)
|
|
}
|
|
if len(pstr) > 0 {
|
|
pstr = pstr[:len(pstr)-1]
|
|
}
|
|
c.detail("called " + name + "(" + pstr + ")")
|
|
}
|
|
func (c *CTemplateSet) retCall(name string, params ...interface{}) {
|
|
var pstr string
|
|
for _, param := range params {
|
|
pstr += c.debugParam(param, 0)
|
|
}
|
|
if len(pstr) > 0 {
|
|
pstr = pstr[:len(pstr)-1]
|
|
}
|
|
c.detail("returned from " + name + " => (" + pstr + ")")
|
|
}
|
|
|
|
func buildUserExprs(holder string) ([]string, []string) {
|
|
var userExprs = []string{
|
|
holder + ".CurrentUser.Loggedin",
|
|
holder + ".CurrentUser.IsSuperMod",
|
|
holder + ".CurrentUser.IsAdmin",
|
|
}
|
|
var negUserExprs = []string{
|
|
"!" + holder + ".CurrentUser.Loggedin",
|
|
"!" + holder + ".CurrentUser.IsSuperMod",
|
|
"!" + holder + ".CurrentUser.IsAdmin",
|
|
}
|
|
return userExprs, negUserExprs
|
|
}
|
|
|
|
func (c *CTemplateSet) compileVarSub(con CContext, varname string, val reflect.Value, assLines string, onEnd func(string) string) {
|
|
c.dumpCall("compileVarSub", con, varname, val, assLines, onEnd)
|
|
defer c.retCall("compileVarSub")
|
|
if onEnd == nil {
|
|
onEnd = func(in string) string {
|
|
return in
|
|
}
|
|
}
|
|
|
|
// Is this a literal string?
|
|
if len(varname) != 0 && varname[0] == '"' {
|
|
con.Push("lvarsub", onEnd(assLines+"w.Write(StringToBytes("+varname+"))\n"))
|
|
return
|
|
}
|
|
for _, varItem := range c.varList {
|
|
if strings.HasPrefix(varname, varItem.Destination) {
|
|
varname = strings.Replace(varname, varItem.Destination, varItem.Name, 1)
|
|
}
|
|
}
|
|
|
|
_, ok := c.stats[varname]
|
|
if ok {
|
|
c.stats[varname]++
|
|
} else {
|
|
c.stats[varname] = 1
|
|
}
|
|
if val.Kind() == reflect.Interface {
|
|
val = val.Elem()
|
|
}
|
|
if val.Kind() == reflect.Ptr {
|
|
for val.Kind() == reflect.Ptr {
|
|
val = val.Elem()
|
|
varname = "*" + varname
|
|
}
|
|
}
|
|
|
|
c.detail("varname: ", varname)
|
|
c.detail("assLines: ", assLines)
|
|
var base string
|
|
switch val.Kind() {
|
|
case reflect.Int:
|
|
c.importMap["strconv"] = "strconv"
|
|
base = "StringToBytes(strconv.Itoa(" + varname + "))"
|
|
case reflect.Bool:
|
|
// TODO: Take c.memberOnly into account
|
|
// TODO: Make this a template fragment so more optimisations can be applied to this
|
|
// TODO: De-duplicate this logic
|
|
userExprs, negUserExprs := buildUserExprs(con.RootHolder)
|
|
if c.guestOnly {
|
|
c.detail("optimising away member branch")
|
|
if inSlice(userExprs, varname) {
|
|
c.detail("positive conditional:", varname)
|
|
c.addText(con, []byte("false"))
|
|
return
|
|
} else if inSlice(negUserExprs, varname) {
|
|
c.detail("negative conditional:", varname)
|
|
c.addText(con, []byte("true"))
|
|
return
|
|
}
|
|
} else if c.memberOnly {
|
|
c.detail("optimising away guest branch")
|
|
if (con.RootHolder + ".CurrentUser.Loggedin") == varname {
|
|
c.detail("positive conditional:", varname)
|
|
c.addText(con, []byte("true"))
|
|
return
|
|
} else if ("!" + con.RootHolder + ".CurrentUser.Loggedin") == varname {
|
|
c.detail("negative conditional:", varname)
|
|
c.addText(con, []byte("false"))
|
|
return
|
|
}
|
|
}
|
|
con.Push("startif", "if "+varname+" {\n")
|
|
c.addText(con, []byte("true"))
|
|
con.Push("endif", "} ")
|
|
con.Push("startelse", "else {\n")
|
|
c.addText(con, []byte("false"))
|
|
con.Push("endelse", "}\n")
|
|
return
|
|
case reflect.Slice:
|
|
if val.Len() == 0 {
|
|
c.critical("varname:", varname)
|
|
panic("The sample data needs at-least one or more elements for the slices. We're looking into removing this requirement at some point!")
|
|
}
|
|
item := val.Index(0)
|
|
if item.Type().Name() != "uint8" { // uint8 == byte, complicated because it's a type alias
|
|
panic("unable to format " + item.Type().Name() + " as text")
|
|
}
|
|
base = varname
|
|
case reflect.String:
|
|
if val.Type().Name() != "string" && !strings.HasPrefix(varname, "string(") {
|
|
varname = "string(" + varname + ")"
|
|
}
|
|
base = "StringToBytes(" + varname + ")"
|
|
// We don't to waste time on this conversion / w.Write call when guests don't have sessions
|
|
// TODO: Implement this properly
|
|
if c.guestOnly && base == "StringToBytes("+con.RootHolder+".CurrentUser.Session))" {
|
|
return
|
|
}
|
|
case reflect.Int64:
|
|
c.importMap["strconv"] = "strconv"
|
|
base = "StringToBytes(strconv.FormatInt(" + varname + ", 10))"
|
|
case reflect.Struct:
|
|
// TODO: Avoid clashing with other packages which have structs named Time
|
|
if val.Type().Name() == "Time" {
|
|
base = "StringToBytes(" + varname + ".String())"
|
|
} else {
|
|
if !val.IsValid() {
|
|
panic(assLines + varname + "^\n" + "Invalid value. Maybe, it doesn't exist?")
|
|
}
|
|
c.logger.Println("Unknown Struct Name:", varname)
|
|
c.logger.Println("Unknown Struct:", val.Type().Name())
|
|
panic("-- I don't know what this variable's type is o.o\n")
|
|
}
|
|
default:
|
|
if !val.IsValid() {
|
|
panic(assLines + varname + "^\n" + "Invalid value. Maybe, it doesn't exist?")
|
|
}
|
|
c.logger.Println("Unknown Variable Name:", varname)
|
|
c.logger.Println("Unknown Kind:", val.Kind())
|
|
c.logger.Println("Unknown Type:", val.Type().Name())
|
|
panic("-- I don't know what this variable's type is o.o\n")
|
|
}
|
|
c.detail("base: ", base)
|
|
if assLines == "" {
|
|
con.Push("varsub", base)
|
|
} else {
|
|
con.Push("lvarsub", onEnd(assLines+base))
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) compileSubTemplate(pcon CContext, node *parse.TemplateNode) {
|
|
c.dumpCall("compileSubTemplate", pcon, node)
|
|
defer c.retCall("compileSubTemplate")
|
|
c.detail("Template Node: ", node.Name)
|
|
|
|
// TODO: Cascade errors back up the tree to the caller?
|
|
content, err := c.loadTemplate(c.fileDir, node.Name)
|
|
if err != nil {
|
|
c.logger.Fatal(err)
|
|
}
|
|
|
|
tree := parse.New(node.Name, c.funcMap)
|
|
var treeSet = make(map[string]*parse.Tree)
|
|
tree, err = tree.Parse(content, "{{", "}}", treeSet, c.funcMap)
|
|
if err != nil {
|
|
c.logger.Fatal(err)
|
|
}
|
|
|
|
fname := strings.TrimSuffix(node.Name, filepath.Ext(node.Name))
|
|
if c.themeName != "" {
|
|
_, ok := c.perThemeTmpls[fname]
|
|
if !ok {
|
|
c.detail("fname not in c.perThemeTmpls")
|
|
c.detail("c.perThemeTmpls", c.perThemeTmpls)
|
|
}
|
|
fname += "_" + c.themeName
|
|
}
|
|
if c.guestOnly {
|
|
fname += "_guest"
|
|
} else if c.memberOnly {
|
|
fname += "_member"
|
|
}
|
|
|
|
con := pcon
|
|
con.VarHolder = "tmpl_" + fname + "_vars"
|
|
con.TemplateName = fname
|
|
if node.Pipe != nil {
|
|
for _, cmd := range node.Pipe.Cmds {
|
|
switch p := cmd.Args[0].(type) {
|
|
case *parse.FieldNode:
|
|
// TODO: Incomplete but it should cover the basics
|
|
cur := pcon.HoldReflect
|
|
|
|
var varBit string
|
|
if cur.Kind() == reflect.Interface {
|
|
cur = cur.Elem()
|
|
varBit += ".(" + cur.Type().Name() + ")"
|
|
}
|
|
|
|
for _, id := range p.Ident {
|
|
c.detail("Data Kind:", cur.Kind().String())
|
|
c.detail("Field Bit:", id)
|
|
cur = c.skipStructPointers(cur, id)
|
|
c.checkIfValid(cur, pcon.VarHolder, pcon.HoldReflect, varBit, false)
|
|
|
|
if cur.Kind() != reflect.Interface {
|
|
cur = cur.FieldByName(id)
|
|
varBit += "." + id
|
|
}
|
|
|
|
// TODO: Handle deeply nested pointers mixed with interfaces mixed with pointers better
|
|
if cur.Kind() == reflect.Interface {
|
|
cur = cur.Elem()
|
|
varBit += ".("
|
|
// TODO: Surely, there's a better way of doing this?
|
|
if cur.Type().PkgPath() != "main" && cur.Type().PkgPath() != "" {
|
|
c.importMap["html/template"] = "html/template"
|
|
varBit += strings.TrimPrefix(cur.Type().PkgPath(), "html/") + "."
|
|
}
|
|
varBit += cur.Type().Name() + ")"
|
|
}
|
|
}
|
|
con.VarHolder = pcon.VarHolder + varBit
|
|
con.HoldReflect = cur
|
|
case *parse.DotNode:
|
|
con.VarHolder = pcon.VarHolder
|
|
con.HoldReflect = pcon.HoldReflect
|
|
case *parse.NilNode:
|
|
panic("Nil is not a command x.x")
|
|
default:
|
|
c.critical("Unknown Param Type:", p)
|
|
pvar := reflect.ValueOf(p)
|
|
c.critical("param kind:", pvar.Kind().String())
|
|
c.critical("param type:", pvar.Type().Name())
|
|
if pvar.Kind() == reflect.Ptr {
|
|
c.critical("Looping over pointer")
|
|
for pvar.Kind() == reflect.Ptr {
|
|
pvar = pvar.Elem()
|
|
}
|
|
c.critical("concrete kind:", pvar.Kind().String())
|
|
c.critical("concrete type:", pvar.Type().Name())
|
|
}
|
|
panic("")
|
|
}
|
|
}
|
|
}
|
|
|
|
c.templateList[fname] = tree
|
|
subtree := c.templateList[fname]
|
|
c.detail("subtree.Root", subtree.Root)
|
|
c.localVars[fname] = make(map[string]VarItemReflect)
|
|
c.localVars[fname]["."] = VarItemReflect{".", con.VarHolder, con.HoldReflect}
|
|
c.fragmentCursor[fname] = 0
|
|
|
|
var startBit, endBit string
|
|
if con.LoopDepth != 0 {
|
|
startBit = "{\n"
|
|
endBit = "}\n"
|
|
}
|
|
con.StartTemplate(startBit)
|
|
c.rootIterate(subtree, con)
|
|
con.EndTemplate(endBit)
|
|
//c.templateFragmentCount[fname] = c.fragmentCursor[fname] + 1
|
|
|
|
_, ok := c.fragOnce[fname]
|
|
if !ok {
|
|
c.fragOnce[fname] = true
|
|
}
|
|
|
|
// map[string]map[string]bool
|
|
c.detail("overridenTrack loop")
|
|
c.detail("fname:", fname)
|
|
for themeName, track := range c.overridenTrack {
|
|
c.detail("themeName:", themeName)
|
|
c.detailf("track: %+v\n", track)
|
|
croot, ok := c.overridenRoots[themeName]
|
|
if !ok {
|
|
croot = make(map[string]bool)
|
|
c.overridenRoots[themeName] = croot
|
|
}
|
|
c.detailf("croot: %+v\n", croot)
|
|
for tmplName, _ := range track {
|
|
cname := tmplName
|
|
if c.guestOnly {
|
|
cname += "_guest"
|
|
} else if c.memberOnly {
|
|
cname += "_member"
|
|
}
|
|
c.detail("cname:", cname)
|
|
if fname == cname {
|
|
c.detail("match")
|
|
croot[strings.TrimSuffix(strings.TrimSuffix(con.RootTemplateName, "_guest"), "_member")] = true
|
|
} else {
|
|
c.detail("no match")
|
|
}
|
|
}
|
|
}
|
|
c.detailf("c.overridenRoots: %+v\n", c.overridenRoots)
|
|
}
|
|
|
|
func (c *CTemplateSet) loadTemplate(fileDir string, name string) (content string, err error) {
|
|
c.dumpCall("loadTemplate", fileDir, name)
|
|
|
|
c.detail("c.themeName: ", c.themeName)
|
|
if c.themeName != "" {
|
|
c.detail("per-theme override: ", "./themes/"+c.themeName+"/overrides/"+name)
|
|
res, err := ioutil.ReadFile("./themes/" + c.themeName + "/overrides/" + name)
|
|
if err == nil {
|
|
content = string(res)
|
|
if c.config.Minify {
|
|
content = Minify(content)
|
|
}
|
|
return content, nil
|
|
}
|
|
c.detail("override err: ", err)
|
|
}
|
|
|
|
res, err := ioutil.ReadFile(c.fileDir + "overrides/" + name)
|
|
if err != nil {
|
|
c.detail("override path: ", c.fileDir+"overrides/"+name)
|
|
c.detail("override err: ", err)
|
|
res, err = ioutil.ReadFile(c.fileDir + name)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
}
|
|
content = string(res)
|
|
if c.config.Minify {
|
|
content = Minify(content)
|
|
}
|
|
return content, nil
|
|
}
|
|
|
|
func (c *CTemplateSet) afterTemplate(con CContext, startIndex int) {
|
|
c.dumpCall("afterTemplate", con, startIndex)
|
|
defer c.retCall("afterTemplate")
|
|
|
|
var loopDepth = 0
|
|
var outBuf = *con.OutBuf
|
|
var varcounts = make(map[string]int)
|
|
var loopStart = startIndex
|
|
|
|
if outBuf[startIndex].Type == "startloop" && (len(outBuf) > startIndex+1) {
|
|
loopStart++
|
|
}
|
|
|
|
// Exclude varsubs within loops for now
|
|
for i := loopStart; i < len(outBuf); i++ {
|
|
item := outBuf[i]
|
|
c.detail("item:", item)
|
|
if item.Type == "startloop" {
|
|
loopDepth++
|
|
c.detail("loopDepth:", loopDepth)
|
|
} else if item.Type == "endloop" {
|
|
loopDepth--
|
|
c.detail("loopDepth:", loopDepth)
|
|
if loopDepth == -1 {
|
|
break
|
|
}
|
|
} else if item.Type == "varsub" && loopDepth == 0 {
|
|
count := varcounts[item.Body]
|
|
varcounts[item.Body] = count + 1
|
|
c.detail("count " + strconv.Itoa(count) + " for " + item.Body)
|
|
c.detail("loopDepth:", loopDepth)
|
|
}
|
|
}
|
|
|
|
var varstr string
|
|
var i int
|
|
var varmap = make(map[string]int)
|
|
for name, count := range varcounts {
|
|
if count > 1 {
|
|
varstr += "var cached_var_" + strconv.Itoa(i) + " = " + name + "\n"
|
|
varmap[name] = i
|
|
i++
|
|
}
|
|
}
|
|
|
|
// Exclude varsubs within loops for now
|
|
loopDepth = 0
|
|
for i := loopStart; i < len(outBuf); i++ {
|
|
item := outBuf[i]
|
|
if item.Type == "startloop" {
|
|
loopDepth++
|
|
} else if item.Type == "endloop" {
|
|
loopDepth--
|
|
if loopDepth == -1 {
|
|
break
|
|
}
|
|
} else if item.Type == "varsub" && loopDepth == 0 {
|
|
index, ok := varmap[item.Body]
|
|
if ok {
|
|
item.Body = "cached_var_" + strconv.Itoa(index)
|
|
item.Type = "cvarsub"
|
|
outBuf[i] = item
|
|
}
|
|
}
|
|
}
|
|
|
|
con.AttachVars(varstr, startIndex)
|
|
}
|
|
|
|
// TODO: Should we rethink the way the log methods work or their names?
|
|
|
|
func (c *CTemplateSet) detail(args ...interface{}) {
|
|
if c.config.SuperDebug {
|
|
c.logger.Println(args...)
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) detailf(left string, args ...interface{}) {
|
|
if c.config.SuperDebug {
|
|
c.logger.Printf(left, args...)
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) error(args ...interface{}) {
|
|
if c.config.Debug {
|
|
c.logger.Println(args...)
|
|
}
|
|
}
|
|
|
|
func (c *CTemplateSet) critical(args ...interface{}) {
|
|
c.logger.Println(args...)
|
|
}
|