237 lines
7.5 KiB
D
237 lines
7.5 KiB
D
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module patch.openurlonclick;
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import core.stdc.string : strchr, strncmp;
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import core.sys.posix.unistd : pid_t;
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import std.algorithm : min, max;
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import std.string : toStringz, fromStringz;
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import patches : isPatchEnabled;
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import st : term, Rune, Line, ATTR_WRAP;
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import st : TLINE;
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// Define ATTR_SET if not already defined
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enum ATTR_SET = 1 << 15;
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enum MODE_ALTSCREEN = 1 << 2;
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// Define IS_SET helper
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bool IS_SET(uint flag) {
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import st : win;
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return (win.mode & flag) != 0;
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}
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static if (isPatchEnabled!"OPENURLONCLICK_PATCH") {
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static if (!isPatchEnabled!"REFLOW_PATCH") {
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static if (isPatchEnabled!"SCROLLBACK_PATCH") {
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alias TLINEURL = TLINE;
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} else {
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auto TLINEURL(int y) { return term.line[y]; }
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}
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}
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extern(C) export __gshared int url_x1, url_y1, url_x2, url_y2 = -1;
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extern(C) export __gshared int url_draw, url_click, url_maxcol;
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private int isvalidurlchar(Rune u) {
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static immutable string urlchars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ~
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"abcdefghijklmnopqrstuvwxyz" ~
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"0123456789-._~:/?#@!$&'*+,;=%";
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return u < 128 && strchr(urlchars.ptr, cast(int)u) != null;
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}
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static if (isPatchEnabled!"REFLOW_PATCH") {
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private int findeowl(Line line) {
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int i = term.col - 1;
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do {
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if (line[i].mode & ATTR_WRAP)
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return i;
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} while (!(line[i].mode & ATTR_SET) && --i >= 0);
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return -1;
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}
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} else {
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private int findeowl(int row) {
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static if (isPatchEnabled!"COLUMNS_PATCH") {
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int col = term.maxcol - 1;
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} else {
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int col = term.col - 1;
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}
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do {
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if (TLINEURL(row)[col].mode & ATTR_WRAP)
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return col;
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} while (TLINEURL(row)[col].u == ' ' && --col >= 0);
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return -1;
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}
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}
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void clearurl() {
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while (url_y1 <= url_y2 && url_y1 < term.row)
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term.dirty[url_y1++] = 1;
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url_y2 = -1;
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}
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static if (isPatchEnabled!"REFLOW_PATCH") {
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char* detecturl(int col, int row, int draw) {
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static char[2048] url;
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Line line;
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int x1, y1, x2, y2;
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int i = url.length/2+1, j = cast(int)(url.length/2);
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int row_start = row, col_start = col;
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int minrow = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr - term.histf;
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int maxrow = IS_SET(MODE_ALTSCREEN) ? term.row - 1 : term.scr + term.row - 1;
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if (draw)
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clearurl();
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url_maxcol = 0;
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line = TLINE(row);
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if (!isvalidurlchar(line[col].u))
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return null;
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do {
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x1 = col_start;
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y1 = row_start;
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url_maxcol = max(url_maxcol, x1);
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url[--i] = cast(char)line[col_start].u;
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if (--col_start < 0) {
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if (--row_start < minrow || (col_start = findeowl(TLINE(row_start))) < 0)
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break;
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line = TLINE(row_start);
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}
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} while (isvalidurlchar(line[col_start].u) && i > 0);
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if (url[i] != 'h')
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return null;
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line = TLINE(row);
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do {
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x2 = col;
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y2 = row;
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url_maxcol = max(url_maxcol, x2);
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url[j++] = cast(char)line[col].u;
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if (line[col++].mode & ATTR_WRAP) {
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if (++row > maxrow)
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break;
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col = 0;
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line = TLINE(row);
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}
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} while (col < term.col && isvalidurlchar(line[col].u) && j < url.length-1);
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url[j] = 0;
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if (strncmp("https://".ptr, &url[i], 8) && strncmp("http://".ptr, &url[i], 7))
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return null;
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if (strchr(",.;:?!".ptr, cast(int)(url[j-1])) != null) {
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x2 = max(x2-1, 0);
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url[j-1] = 0;
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}
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if (draw) {
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url_x1 = (y1 >= 0) ? x1 : 0;
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url_x2 = (y2 < term.row) ? x2 : url_maxcol;
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url_y1 = max(y1, 0);
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url_y2 = min(y2, term.row-1);
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url_draw = 1;
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for (y1 = url_y1; y1 <= url_y2; y1++)
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term.dirty[y1] = 1;
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}
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return &url[i];
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}
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} else {
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char* detecturl(int col, int row, int draw) {
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static char[2048] url;
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int x1, y1, x2, y2, wrapped;
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int row_start = row;
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int col_start = col;
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int i = url.length/2+1, j = cast(int)(url.length/2);
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static if (isPatchEnabled!"SCROLLBACK_PATCH") {
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int minrow = term.scr - term.histn, maxrow = term.scr + term.row - 1;
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if ((term.mode & (1 << 2)) != 0)
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minrow = 0, maxrow = term.row - 1;
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} else {
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int minrow = 0, maxrow = term.row - 1;
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}
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url_maxcol = 0;
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if (draw)
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clearurl();
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if (!isvalidurlchar(TLINEURL(row)[col].u))
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return null;
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do {
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x1 = col_start;
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y1 = row_start;
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url_maxcol = max(url_maxcol, x1);
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url[--i] = cast(char)TLINEURL(row_start)[col_start].u;
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if (--col_start < 0) {
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if (--row_start < minrow || (col_start = findeowl(row_start)) < 0)
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break;
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}
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} while (i > 0 && isvalidurlchar(TLINEURL(row_start)[col_start].u));
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if (url[i] != 'h')
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return null;
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do {
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x2 = col;
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y2 = row;
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url_maxcol = max(url_maxcol, x2);
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url[j++] = cast(char)TLINEURL(row)[col].u;
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wrapped = TLINEURL(row)[col].mode & ATTR_WRAP;
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static if (isPatchEnabled!"COLUMNS_PATCH") {
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if (++col >= term.maxcol || wrapped) {
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col = 0;
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if (++row > maxrow || !wrapped)
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break;
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}
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} else {
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if (++col >= term.col || wrapped) {
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col = 0;
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if (++row > maxrow || !wrapped)
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break;
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}
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}
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} while (j < url.length-1 && isvalidurlchar(TLINEURL(row)[col].u));
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url[j] = 0;
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if (strncmp("https://".ptr, &url[i], 8) && strncmp("http://".ptr, &url[i], 7))
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return null;
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if (draw) {
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url_x1 = (y1 >= 0) ? x1 : 0;
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url_x2 = (y2 < term.row) ? x2 : url_maxcol;
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url_y1 = max(y1, 0);
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url_y2 = min(y2, term.row-1);
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url_draw = 1;
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for (y1 = url_y1; y1 <= url_y2; y1++)
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term.dirty[y1] = 1;
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}
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return &url[i];
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}
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}
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void openUrlOnClick(int col, int row, char* url_opener) {
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char* url = detecturl(col, row, 1);
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if (url) {
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import core.stdc.stdlib : system;
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import std.format : format;
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import std.process : spawnProcess;
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// Use spawnProcess instead of posix_spawnp
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string[] args = [cast(string)fromStringz(url_opener), cast(string)fromStringz(url)];
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try {
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spawnProcess(args);
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} catch (Exception e) {
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// Ignore errors
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}
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}
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}
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}
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