/*
* Preferences parser
*
* Copyright (C) 2006-2009 Jorge Arellano Cid <jcid@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <locale.h> /* for setlocale */
#include <math.h> /* for isinf */
#include <limits.h>
#include "prefs.h"
#include "misc.h"
#include "msg.h"
#include "colors.h"
#include "prefsparser.hh"
typedef enum {
PREFS_BOOL,
PREFS_COLOR,
PREFS_STRING,
PREFS_STRINGS,
PREFS_URL,
PREFS_INT32,
PREFS_DOUBLE,
PREFS_FRACTION_100,
PREFS_GEOMETRY,
PREFS_PANEL_SIZE
} PrefType_t;
typedef struct {
const char *name;
void *pref;
PrefType_t type;
int count;
} SymNode_t;
/*
* Parse a name/value pair and set preferences accordingly.
*/
static int parseOption(char *name, char *value,
SymNode_t *symbols, int n_symbols)
{
SymNode_t *node;
int i;
int st;
node = NULL;
for (i = 0; i < n_symbols; i++) {
if (!strcmp(symbols[i].name, name)) {
node = & (symbols[i]);
break;
}
}
if (!node) {
MSG("prefs: {%s} is not a recognized token.\n", name);
return -1;
}
switch (node->type) {
case PREFS_BOOL:
*(bool_t *)node->pref = (!dStrAsciiCasecmp(value, "yes") ||
!dStrAsciiCasecmp(value, "true"));
break;
case PREFS_COLOR:
*(int32_t *)node->pref = a_Color_parse(value, *(int32_t*)node->pref,&st);
if (st == 1)
MSG("prefs: Color '%s' not recognized.\n", value);
break;
case PREFS_STRING:
dFree(*(char **)node->pref);
*(char **)node->pref = dStrdup(value);
break;
case PREFS_STRINGS:
{
Dlist *lp = *(Dlist **)node->pref;
if (node->count == 0) {
/* override the default */
for (i = 0; i < dList_length(lp); i++) {
void *data = dList_nth_data(lp, i);
dList_remove(lp, data);
dFree(data);
}
}
dList_append(lp, dStrdup(value));
break;
}
case PREFS_URL:
a_Url_free(*(DilloUrl **)node->pref);
*(DilloUrl **)node->pref = a_Url_new(value, NULL);
break;
case PREFS_INT32:
*(int32_t *)node->pref = strtol(value, NULL, 10);
break;
case PREFS_DOUBLE:
*(double *)node->pref = strtod(value, NULL);
break;
case PREFS_FRACTION_100:
{
double d = strtod (value, NULL);
if (isinf(d)) {
if (d > 0)
*(int*)node->pref = INT_MAX;
else
*(int*)node->pref = INT_MIN;
} else
*(int*)node->pref = 100 * d;
}
break;
case PREFS_GEOMETRY:
a_Misc_parse_geometry(value, &prefs.xpos, &prefs.ypos,
&prefs.width, &prefs.height);
break;
case PREFS_PANEL_SIZE:
if (!dStrAsciiCasecmp(value, "tiny"))
prefs.panel_size = P_tiny;
else if (!dStrAsciiCasecmp(value, "small"))
prefs.panel_size = P_small;
else /* default to "medium" */
prefs.panel_size = P_medium;
break;
default:
MSG_WARN("prefs: {%s} IS recognized but not handled!\n", name);
break; /* Not reached */
}
node->count++;
return 0;
}
/*
* Parses the dillorc and sets the values in the prefs structure.
*/
void PrefsParser::parse(FILE *fp)
{
char *line, *name, *value, *oldLocale;
int st;
/* Symbol array, sorted alphabetically */
SymNode_t symbols[] = {
{ "allow_white_bg", &prefs.allow_white_bg, PREFS_BOOL, 0 },
{ "white_bg_replacement", &prefs.white_bg_replacement, PREFS_COLOR, 0 },
{ "bg_color", &prefs.bg_color, PREFS_COLOR, 0 },
{ "buffered_drawing", &prefs.buffered_drawing, PREFS_INT32, 0 },
{ "contrast_visited_color", &prefs.contrast_visited_color, PREFS_BOOL, 0 },
{ "enterpress_forces_submit", &prefs.enterpress_forces_submit,
PREFS_BOOL, 0 },
{ "focus_new_tab", &prefs.focus_new_tab, PREFS_BOOL, 0 },
{ "font_cursive", &prefs.font_cursive, PREFS_STRING, 0 },
{ "font_factor", &prefs.font_factor, PREFS_DOUBLE, 0 },
{ "font_fantasy", &prefs.font_fantasy, PREFS_STRING, 0 },
{ "font_max_size", &prefs.font_max_size, PREFS_INT32, 0 },
{ "font_min_size", &prefs.font_min_size, PREFS_INT32, 0 },
{ "font_monospace", &prefs.font_monospace, PREFS_STRING, 0 },
{ "font_sans_serif", &prefs.font_sans_serif, PREFS_STRING, 0 },
{ "font_serif", &prefs.font_serif, PREFS_STRING, 0 },
{ "fullwindow_start", &prefs.fullwindow_start, PREFS_BOOL, 0 },
{ "geometry", NULL, PREFS_GEOMETRY, 0 },
{ "home", &prefs.home, PREFS_URL, 0 },
{ "http_language", &prefs.http_language, PREFS_STRING, 0 },
{ "http_max_conns", &prefs.http_max_conns, PREFS_INT32, 0 },
{ "http_proxy", &prefs.http_proxy, PREFS_URL, 0 },
{ "http_proxyuser", &prefs.http_proxyuser, PREFS_STRING, 0 },
{ "http_referer", &prefs.http_referer, PREFS_STRING, 0 },
{ "http_user_agent", &prefs.http_user_agent, PREFS_STRING, 0 },
{ "limit_text_width", &prefs.limit_text_width, PREFS_BOOL, 0 },
{ "load_images", &prefs.load_images, PREFS_BOOL, 0 },
{ "load_background_images", &prefs.load_background_images, PREFS_BOOL, 0 },
{ "load_stylesheets", &prefs.load_stylesheets, PREFS_BOOL, 0 },
{ "middle_click_drags_page", &prefs.middle_click_drags_page,
PREFS_BOOL, 0 },
{ "middle_click_opens_new_tab", &prefs.middle_click_opens_new_tab,
PREFS_BOOL, 0 },
{ "right_click_closes_tab", &prefs.right_click_closes_tab, PREFS_BOOL, 0 },
{ "no_proxy", &prefs.no_proxy, PREFS_STRING, 0 },
{ "panel_size", &prefs.panel_size, PREFS_PANEL_SIZE, 0 },
{ "parse_embedded_css", &prefs.parse_embedded_css, PREFS_BOOL, 0 },
{ "save_dir", &prefs.save_dir, PREFS_STRING, 0 },
{ "search_url", &prefs.search_urls, PREFS_STRINGS, 0 },
{ "show_back", &prefs.show_back, PREFS_BOOL, 0 },
{ "show_bookmarks", &prefs.show_bookmarks, PREFS_BOOL, 0 },
{ "show_clear_url", &prefs.show_clear_url, PREFS_BOOL, 0 },
{ "show_extra_warnings", &prefs.show_extra_warnings, PREFS_BOOL, 0 },
{ "show_filemenu", &prefs.show_filemenu, PREFS_BOOL, 0 },
{ "show_forw", &prefs.show_forw, PREFS_BOOL, 0 },
{ "show_help", &prefs.show_help, PREFS_BOOL, 0 },
{ "show_home", &prefs.show_home, PREFS_BOOL, 0 },
{ "show_msg", &prefs.show_msg, PREFS_BOOL, 0 },
{ "show_progress_box", &prefs.show_progress_box, PREFS_BOOL, 0 },
{ "show_quit_dialog", &prefs.show_quit_dialog, PREFS_BOOL, 0 },
{ "show_reload", &prefs.show_reload, PREFS_BOOL, 0 },
{ "show_save", &prefs.show_save, PREFS_BOOL, 0 },
{ "show_url", &prefs.show_url, PREFS_BOOL, 0 },
{ "show_search", &prefs.show_search, PREFS_BOOL, 0 },
{ "show_stop", &prefs.show_stop, PREFS_BOOL, 0 },
{ "show_tools", &prefs.show_tools, PREFS_BOOL, 0 },
{ "show_tooltip", &prefs.show_tooltip, PREFS_BOOL, 0 },
{ "show_ui_tooltip", &prefs.show_ui_tooltip, PREFS_BOOL, 0 },
{ "small_icons", &prefs.small_icons, PREFS_BOOL, 0 },
{ "start_page", &prefs.start_page, PREFS_URL, 0 },
{ "theme", &prefs.theme, PREFS_STRING, 0 },
{ "ui_button_highlight_color", &prefs.ui_button_highlight_color,
PREFS_COLOR, 0 },
{ "ui_fg_color", &prefs.ui_fg_color, PREFS_COLOR, 0 },
{ "ui_main_bg_color", &prefs.ui_main_bg_color, PREFS_COLOR, 0 },
{ "ui_selection_color", &prefs.ui_selection_color, PREFS_COLOR, 0 },
{ "ui_tab_active_bg_color", &prefs.ui_tab_active_bg_color, PREFS_COLOR, 0 },
{ "ui_tab_bg_color", &prefs.ui_tab_bg_color, PREFS_COLOR, 0 },
{ "ui_tab_active_fg_color", &prefs.ui_tab_active_fg_color, PREFS_COLOR, 0 },
{ "ui_tab_fg_color", &prefs.ui_tab_fg_color, PREFS_COLOR, 0 },
{ "ui_text_bg_color", &prefs.ui_text_bg_color, PREFS_COLOR, 0 },
{ "w3c_plus_heuristics", &prefs.w3c_plus_heuristics, PREFS_BOOL, 0 },
{ "penalty_hyphen", &prefs.penalty_hyphen, PREFS_FRACTION_100, 0 },
{ "penalty_hyphen_2", &prefs.penalty_hyphen_2, PREFS_FRACTION_100, 0 },
{ "penalty_em_dash_left", &prefs.penalty_em_dash_left,
PREFS_FRACTION_100, 0 },
{ "penalty_em_dash_right", &prefs.penalty_em_dash_right,
PREFS_FRACTION_100, 0 },
{ "penalty_em_dash_right_2", &prefs.penalty_em_dash_right_2,
PREFS_FRACTION_100, 0 },
{ "stretchability_factor", &prefs.stretchability_factor,
PREFS_FRACTION_100, 0 }
};
// changing the LC_NUMERIC locale (temporarily) to C
// avoids parsing problems with float numbers
oldLocale = dStrdup(setlocale(LC_NUMERIC, NULL));
setlocale(LC_NUMERIC, "C");
// scan the file line by line
while ((line = dGetline(fp)) != NULL) {
st = dParser_parse_rc_line(&line, &name, &value);
if (st == 0) {
_MSG("prefsparser: name=%s, value=%s\n", name, value);
parseOption(name, value, symbols, sizeof(symbols) / sizeof(symbols[0]));
} else if (st < 0) {
MSG_ERR("prefsparser: Syntax error in dillorc:"
" name=\"%s\" value=\"%s\"\n", name, value);
}
dFree(line);
}
fclose(fp);
// restore the old numeric locale
setlocale(LC_NUMERIC, oldLocale);
dFree(oldLocale);
}