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geany/src/filetypes.c
Colomban Wendling 94aa892c81 Merge pull request #373 from techee/go_ctags 
Add a Go ctags parser.
2014-11-30 02:03:00 +01:00

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/*
* filetypes.c - this file is part of Geany, a fast and lightweight IDE
*
* Copyright 2005-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
* Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
*
* 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 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/**
* @file filetypes.h
* Filetype detection, file extensions and filetype menu items.
*/
/* Note: we use filetype_id for some function arguments, but GeanyFiletype is better; we should
* only use GeanyFiletype for API functions. */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "filetypes.h"
#include "app.h"
#include "callbacks.h" /* FIXME: for ignore_callback */
#include "document.h"
#include "filetypesprivate.h"
#include "geany.h"
#include "geanyobject.h"
#include "highlighting.h"
#include "projectprivate.h"
#include "sciwrappers.h"
#include "support.h"
#include "symbols.h"
#include "tm_parser.h"
#include "utils.h"
#include "ui_utils.h"
#include <stdlib.h>
#include <string.h>
#include <glib/gstdio.h>
#define GEANY_FILETYPE_SEARCH_LINES 2 /* lines of file to search for filetype */
GPtrArray *filetypes_array = NULL; /* Dynamic array of filetype pointers */
static GHashTable *filetypes_hash = NULL; /* Hash of filetype pointers based on name keys */
/** List of filetype pointers sorted by name, but with @c filetypes_index(GEANY_FILETYPES_NONE)
* first, as this is usually treated specially.
* The list does not change (after filetypes have been initialized), so you can use
* @code g_slist_nth_data(filetypes_by_title, n) @endcode and expect the same result at different times.
* @see filetypes_get_sorted_by_name(). */
GSList *filetypes_by_title = NULL;
static GtkWidget *group_menus[GEANY_FILETYPE_GROUP_COUNT] = {NULL};
static void create_radio_menu_item(GtkWidget *menu, GeanyFiletype *ftype);
static gchar *filetypes_get_conf_extension(const GeanyFiletype *ft);
static void read_filetype_config(void);
enum TitleType
{
TITLE_NONE,
TITLE_SOURCE_FILE,
TITLE_FILE,
TITLE_SCRIPT,
TITLE_DOCUMENT
};
/* Save adding many translation strings if the filetype name doesn't need translating */
static gchar *filetype_make_title(const char *name, enum TitleType type)
{
g_return_val_if_fail(name != NULL, NULL);
switch (type)
{
case TITLE_SOURCE_FILE: return g_strdup_printf(_("%s source file"), name);
case TITLE_FILE: return g_strdup_printf(_("%s file"), name);
case TITLE_SCRIPT: return g_strdup_printf(_("%s script"), name);
case TITLE_DOCUMENT: return g_strdup_printf(_("%s document"), name);
case TITLE_NONE: /* fall through */
default: return g_strdup(name);
}
}
/* name argument (ie filetype name) must not be translated as it is used for
* filetype lookup. Use filetypes_get_display_name() instead.*/
static void ft_init(filetype_id ft_id, int lang, const char *name,
const char *title_name, enum TitleType title_type,
GeanyFiletypeGroupID group_id)
{
GeanyFiletype *ft = filetypes[ft_id];
ft->lang = lang;
ft->name = g_strdup(name);
ft->title = filetype_make_title((title_name != NULL) ? title_name : ft->name, title_type);
ft->group = group_id;
}
/* Evil macro to save typing and make init_builtin_filetypes() more readable */
#define FT_INIT(ft_id, parser_id, name, title_name, title_type, group_id) \
ft_init(GEANY_FILETYPES_##ft_id, TM_PARSER_##parser_id, name, title_name, \
TITLE_##title_type, GEANY_FILETYPE_GROUP_##group_id)
/* Note: remember to update HACKING if this function is renamed. */
static void init_builtin_filetypes(void)
{
/* Column legend:
* [0] = Filetype constant (GEANY_FILETYPES_*)
* [1] = CTags parser (TM_PARSER_*)
* [2] = Non-translated filetype name (*not* label for display)
* [3] = Translatable human filetype title prefix or NULL to use [2]
* [4] = Title type (TITLE_*) constant (ex. TITLE_SOURCE_FILE is 'source file' suffix)
* [5] = The filetype group constant (GEANY_FILETYPE_GROUP_*)
* --------------------------------------------------------------------------------------------------------------------------
* [0] [1] [2] [3] [4] [5] */
FT_INIT( NONE, NONE, "None", _("None"), NONE, NONE );
FT_INIT( C, C, "C", NULL, SOURCE_FILE, COMPILED );
FT_INIT( CPP, CPP, "C++", NULL, SOURCE_FILE, COMPILED );
FT_INIT( OBJECTIVEC, OBJC, "Objective-C", NULL, SOURCE_FILE, COMPILED );
FT_INIT( CS, CSHARP, "C#", NULL, SOURCE_FILE, COMPILED );
FT_INIT( VALA, VALA, "Vala", NULL, SOURCE_FILE, COMPILED );
FT_INIT( D, D, "D", NULL, SOURCE_FILE, COMPILED );
FT_INIT( JAVA, JAVA, "Java", NULL, SOURCE_FILE, COMPILED );
FT_INIT( PASCAL, PASCAL, "Pascal", NULL, SOURCE_FILE, COMPILED );
FT_INIT( ASM, ASM, "ASM", "Assembler", SOURCE_FILE, COMPILED );
FT_INIT( BASIC, FREEBASIC, "FreeBasic", NULL, SOURCE_FILE, COMPILED );
FT_INIT( FORTRAN, FORTRAN, "Fortran", "Fortran (F90)", SOURCE_FILE, COMPILED );
FT_INIT( F77, F77, "F77", "Fortran (F77)", SOURCE_FILE, COMPILED );
FT_INIT( GLSL, GLSL, "GLSL", NULL, SOURCE_FILE, COMPILED );
FT_INIT( CAML, NONE, "CAML", "(O)Caml", SOURCE_FILE, COMPILED );
FT_INIT( PERL, PERL, "Perl", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( PHP, PHP, "PHP", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( JS, JAVASCRIPT, "Javascript", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( PYTHON, PYTHON, "Python", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( RUBY, RUBY, "Ruby", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( TCL, TCL, "Tcl", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( LUA, LUA, "Lua", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( FERITE, FERITE, "Ferite", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( HASKELL, HASKELL, "Haskell", NULL, SOURCE_FILE, COMPILED );
FT_INIT( MARKDOWN, MARKDOWN, "Markdown", NULL, SOURCE_FILE, MARKUP );
FT_INIT( TXT2TAGS, TXT2TAGS, "Txt2tags", NULL, SOURCE_FILE, MARKUP );
FT_INIT( ABC, ABC, "Abc", NULL, FILE, MISC );
FT_INIT( SH, SH, "Sh", _("Shell"), SCRIPT, SCRIPT );
FT_INIT( MAKE, MAKEFILE, "Make", _("Makefile"), NONE, SCRIPT );
FT_INIT( XML, NONE, "XML", NULL, DOCUMENT, MARKUP );
FT_INIT( DOCBOOK, DOCBOOK, "Docbook", NULL, DOCUMENT, MARKUP );
FT_INIT( HTML, HTML, "HTML", NULL, DOCUMENT, MARKUP );
FT_INIT( CSS, CSS, "CSS", _("Cascading Stylesheet"), NONE, MARKUP ); /* not really markup but fit quite well to HTML */
FT_INIT( SQL, SQL, "SQL", NULL, FILE, MISC );
FT_INIT( COBOL, COBOL, "COBOL", NULL, SOURCE_FILE, COMPILED );
FT_INIT( LATEX, LATEX, "LaTeX", NULL, SOURCE_FILE, MARKUP );
FT_INIT( VHDL, VHDL, "VHDL", NULL, SOURCE_FILE, COMPILED );
FT_INIT( VERILOG, VERILOG, "Verilog", NULL, SOURCE_FILE, COMPILED );
FT_INIT( DIFF, DIFF, "Diff", NULL, FILE, MISC );
FT_INIT( LISP, NONE, "Lisp", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( ERLANG, NONE, "Erlang", NULL, SOURCE_FILE, COMPILED );
FT_INIT( CONF, CONF, "Conf", _("Config"), FILE, MISC );
FT_INIT( PO, NONE, "Po", _("Gettext translation"), FILE, MISC );
FT_INIT( HAXE, HAXE, "Haxe", NULL, SOURCE_FILE, COMPILED );
FT_INIT( AS, ACTIONSCRIPT, "ActionScript", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( R, R, "R", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( REST, REST, "reStructuredText", NULL, SOURCE_FILE, MARKUP );
FT_INIT( MATLAB, MATLAB, "Matlab/Octave", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( YAML, NONE, "YAML", NULL, FILE, MISC );
FT_INIT( CMAKE, NONE, "CMake", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( NSIS, NSIS, "NSIS", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( ADA, NONE, "Ada", NULL, SOURCE_FILE, COMPILED );
FT_INIT( FORTH, NONE, "Forth", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( ASCIIDOC, ASCIIDOC, "Asciidoc", NULL, SOURCE_FILE, MARKUP );
FT_INIT( ABAQUS, ABAQUS, "Abaqus", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( BATCH, NONE, "Batch", NULL, SCRIPT, SCRIPT );
FT_INIT( POWERSHELL, NONE, "PowerShell", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( RUST, RUST, "Rust", NULL, SOURCE_FILE, COMPILED );
FT_INIT( COFFEESCRIPT, NONE, "CoffeeScript", NULL, SOURCE_FILE, SCRIPT );
FT_INIT( GO, GO, "Go", NULL, SOURCE_FILE, COMPILED );
}
/* initialize fields. */
static GeanyFiletype *filetype_new(void)
{
GeanyFiletype *ft = g_new0(GeanyFiletype, 1);
ft->group = GEANY_FILETYPE_GROUP_NONE;
ft->lang = -2; /* assume no tagmanager parser */
/* pattern must not be null */
ft->pattern = g_new0(gchar*, 1);
ft->indent_width = -1;
ft->indent_type = -1;
ft->priv = g_new0(GeanyFiletypePrivate, 1);
ft->priv->project_list_entry = -1; /* no entry */
return ft;
}
static gint cmp_filetype(gconstpointer pft1, gconstpointer pft2, gpointer data)
{
gboolean by_name = GPOINTER_TO_INT(data);
const GeanyFiletype *ft1 = pft1, *ft2 = pft2;
if (G_UNLIKELY(ft1->id == GEANY_FILETYPES_NONE))
return -1;
if (G_UNLIKELY(ft2->id == GEANY_FILETYPES_NONE))
return 1;
return by_name ?
utils_str_casecmp(ft1->name, ft2->name) :
utils_str_casecmp(ft1->title, ft2->title);
}
/** Gets a list of filetype pointers sorted by name.
* The list does not change on subsequent calls.
* @return The list - do not free.
* @see filetypes_by_title. */
const GSList *filetypes_get_sorted_by_name(void)
{
static GSList *list = NULL;
g_return_val_if_fail(filetypes_by_title, NULL);
if (!list)
{
list = g_slist_copy(filetypes_by_title);
list = g_slist_sort_with_data(list, cmp_filetype, GINT_TO_POINTER(TRUE));
}
return list;
}
/* Add a filetype pointer to the lists of available filetypes,
* and set the filetype::id field. */
static void filetype_add(GeanyFiletype *ft)
{
g_return_if_fail(ft);
g_return_if_fail(ft->name);
ft->id = filetypes_array->len; /* len will be the index for filetype_array */
g_ptr_array_add(filetypes_array, ft);
g_hash_table_insert(filetypes_hash, ft->name, ft);
/* list will be sorted later */
filetypes_by_title = g_slist_prepend(filetypes_by_title, ft);
}
static void add_custom_filetype(const gchar *filename)
{
gchar *fn = utils_strdupa(strstr(filename, ".") + 1);
gchar *dot = g_strrstr(fn, ".conf");
GeanyFiletype *ft;
g_return_if_fail(dot);
*dot = 0x0;
if (g_hash_table_lookup(filetypes_hash, fn))
return;
ft = filetype_new();
ft->name = g_strdup(fn);
ft->title = filetype_make_title(ft->name, TITLE_FILE);
ft->priv->custom = TRUE;
filetype_add(ft);
geany_debug("Added filetype %s (%d).", ft->name, ft->id);
}
static void init_custom_filetypes(const gchar *path)
{
GDir *dir;
const gchar *filename;
g_return_if_fail(path);
dir = g_dir_open(path, 0, NULL);
if (dir == NULL)
return;
foreach_dir(filename, dir)
{
const gchar prefix[] = "filetypes.";
if (g_str_has_prefix(filename, prefix) &&
g_str_has_suffix(filename + strlen(prefix), ".conf"))
{
add_custom_filetype(filename);
}
}
g_dir_close(dir);
}
/* Create the filetypes array and fill it with the known filetypes.
* Warning: GTK isn't necessarily initialized yet. */
void filetypes_init_types(void)
{
filetype_id ft_id;
gchar *f;
g_return_if_fail(filetypes_array == NULL);
g_return_if_fail(filetypes_hash == NULL);
filetypes_array = g_ptr_array_sized_new(GEANY_MAX_BUILT_IN_FILETYPES);
filetypes_hash = g_hash_table_new(g_str_hash, g_str_equal);
/* Create built-in filetypes */
for (ft_id = 0; ft_id < GEANY_MAX_BUILT_IN_FILETYPES; ft_id++)
{
filetypes[ft_id] = filetype_new();
}
init_builtin_filetypes();
/* Add built-in filetypes to the hash now the name fields are set */
for (ft_id = 0; ft_id < GEANY_MAX_BUILT_IN_FILETYPES; ft_id++)
{
filetype_add(filetypes[ft_id]);
}
init_custom_filetypes(app->datadir);
f = g_build_filename(app->configdir, GEANY_FILEDEFS_SUBDIR, NULL);
init_custom_filetypes(f);
g_free(f);
/* sort last instead of on insertion to prevent exponential time */
filetypes_by_title = g_slist_sort_with_data(filetypes_by_title,
cmp_filetype, GINT_TO_POINTER(FALSE));
read_filetype_config();
}
static void on_document_save(G_GNUC_UNUSED GObject *object, GeanyDocument *doc)
{
gchar *f;
g_return_if_fail(!EMPTY(doc->real_path));
f = g_build_filename(app->configdir, "filetype_extensions.conf", NULL);
if (utils_str_equal(doc->real_path, f))
filetypes_reload_extensions();
g_free(f);
f = g_build_filename(app->configdir, GEANY_FILEDEFS_SUBDIR, "filetypes.common", NULL);
if (utils_str_equal(doc->real_path, f))
{
guint i;
/* Note: we don't reload other filetypes, even though the named styles may have changed.
* The user can do this manually with 'Tools->Reload Configuration' */
filetypes_load_config(GEANY_FILETYPES_NONE, TRUE);
foreach_document(i)
document_reload_config(documents[i]);
}
g_free(f);
}
static void setup_config_file_menus(void)
{
gchar *f;
f = g_build_filename(app->configdir, "filetype_extensions.conf", NULL);
ui_add_config_file_menu_item(f, NULL, NULL);
SETPTR(f, g_build_filename(app->configdir, GEANY_FILEDEFS_SUBDIR, "filetypes.common", NULL));
ui_add_config_file_menu_item(f, NULL, NULL);
g_free(f);
g_signal_connect(geany_object, "document-save", G_CALLBACK(on_document_save), NULL);
}
static void create_sub_menu(GtkWidget *parent, GeanyFiletypeGroupID group_id, const gchar *title)
{
GtkWidget *menu, *item;
menu = gtk_menu_new();
item = gtk_menu_item_new_with_mnemonic((title));
gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), menu);
gtk_container_add(GTK_CONTAINER(parent), item);
gtk_widget_show(item);
group_menus[group_id] = menu;
}
static void create_set_filetype_menu(void)
{
GSList *node;
GtkWidget *filetype_menu = ui_lookup_widget(main_widgets.window, "set_filetype1_menu");
create_sub_menu(filetype_menu, GEANY_FILETYPE_GROUP_COMPILED, _("_Programming Languages"));
create_sub_menu(filetype_menu, GEANY_FILETYPE_GROUP_SCRIPT, _("_Scripting Languages"));
create_sub_menu(filetype_menu, GEANY_FILETYPE_GROUP_MARKUP, _("_Markup Languages"));
create_sub_menu(filetype_menu, GEANY_FILETYPE_GROUP_MISC, _("M_iscellaneous"));
/* Append all filetypes to the filetype menu */
foreach_slist(node, filetypes_by_title)
{
GeanyFiletype *ft = node->data;
if (ft->group != GEANY_FILETYPE_GROUP_NONE)
create_radio_menu_item(group_menus[ft->group], ft);
else
create_radio_menu_item(filetype_menu, ft);
}
}
void filetypes_init(void)
{
filetypes_init_types();
create_set_filetype_menu();
setup_config_file_menus();
}
/* Find a filetype that predicate returns TRUE for, otherwise return NULL. */
GeanyFiletype *filetypes_find(GCompareFunc predicate, gpointer user_data)
{
guint i;
for (i = 0; i < filetypes_array->len; i++)
{
GeanyFiletype *ft = filetypes[i];
if (predicate(ft, user_data))
return ft;
}
return NULL;
}
static gboolean match_basename(gconstpointer pft, gconstpointer user_data)
{
const GeanyFiletype *ft = pft;
const gchar *base_filename = user_data;
gint j;
gboolean ret = FALSE;
if (G_UNLIKELY(ft->id == GEANY_FILETYPES_NONE))
return FALSE;
for (j = 0; ft->pattern[j] != NULL; j++)
{
GPatternSpec *pattern = g_pattern_spec_new(ft->pattern[j]);
if (g_pattern_match_string(pattern, base_filename))
{
ret = TRUE;
g_pattern_spec_free(pattern);
break;
}
g_pattern_spec_free(pattern);
}
return ret;
}
static GeanyFiletype *check_builtin_filenames(const gchar *utf8_filename)
{
gchar *lfn = NULL;
gchar *path;
gboolean found = FALSE;
#ifdef G_OS_WIN32
/* use lower case basename */
lfn = g_utf8_strdown(utf8_filename, -1);
#else
lfn = g_strdup(utf8_filename);
#endif
SETPTR(lfn, utils_get_locale_from_utf8(lfn));
path = g_build_filename(app->configdir, GEANY_FILEDEFS_SUBDIR, "filetypes.", NULL);
if (g_str_has_prefix(lfn, path))
found = TRUE;
SETPTR(path, g_build_filename(app->datadir, "filetypes.", NULL));
if (g_str_has_prefix(lfn, path))
found = TRUE;
g_free(path);
g_free(lfn);
return found ? filetypes[GEANY_FILETYPES_CONF] : NULL;
}
/* Detect filetype only based on the filename extension.
* utf8_filename can include the full path. */
GeanyFiletype *filetypes_detect_from_extension(const gchar *utf8_filename)
{
gchar *base_filename;
GeanyFiletype *ft;
ft = check_builtin_filenames(utf8_filename);
if (ft)
return ft;
/* to match against the basename of the file (because of Makefile*) */
base_filename = g_path_get_basename(utf8_filename);
#ifdef G_OS_WIN32
/* use lower case basename */
SETPTR(base_filename, g_utf8_strdown(base_filename, -1));
#endif
ft = filetypes_find(match_basename, base_filename);
if (ft == NULL)
ft = filetypes[GEANY_FILETYPES_NONE];
g_free(base_filename);
return ft;
}
/* This detects the filetype of the file pointed by 'utf8_filename' and a list of filetype id's,
* terminated by -1.
* The detected filetype of the file is checked against every id in the passed list and if
* there is a match, TRUE is returned. */
static gboolean shebang_find_and_match_filetype(const gchar *utf8_filename, gint first, ...)
{
GeanyFiletype *ft = NULL;
gint test;
gboolean result = FALSE;
va_list args;
ft = filetypes_detect_from_extension(utf8_filename);
if (ft == NULL || ft->id >= filetypes_array->len)
return FALSE;
va_start(args, first);
test = first;
while (1)
{
if (test == -1)
break;
if (ft->id == (guint) test)
{
result = TRUE;
break;
}
test = va_arg(args, gint);
}
va_end(args);
return result;
}
static GeanyFiletype *find_shebang(const gchar *utf8_filename, const gchar *line)
{
GeanyFiletype *ft = NULL;
if (strlen(line) > 2 && line[0] == '#' && line[1] == '!')
{
static const struct {
const gchar *name;
filetype_id filetype;
} intepreter_map[] = {
{ "sh", GEANY_FILETYPES_SH },
{ "bash", GEANY_FILETYPES_SH },
{ "dash", GEANY_FILETYPES_SH },
{ "perl", GEANY_FILETYPES_PERL },
{ "python", GEANY_FILETYPES_PYTHON },
{ "php", GEANY_FILETYPES_PHP },
{ "ruby", GEANY_FILETYPES_RUBY },
{ "tcl", GEANY_FILETYPES_TCL },
{ "make", GEANY_FILETYPES_MAKE },
{ "zsh", GEANY_FILETYPES_SH },
{ "ksh", GEANY_FILETYPES_SH },
{ "mksh", GEANY_FILETYPES_SH },
{ "csh", GEANY_FILETYPES_SH },
{ "tcsh", GEANY_FILETYPES_SH },
{ "ash", GEANY_FILETYPES_SH },
{ "dmd", GEANY_FILETYPES_D },
{ "wish", GEANY_FILETYPES_TCL },
{ "node", GEANY_FILETYPES_JS },
{ "rust", GEANY_FILETYPES_RUST }
};
gchar *tmp = g_path_get_basename(line + 2);
gchar *basename_interpreter = tmp;
guint i;
if (g_str_has_prefix(tmp, "env "))
{ /* skip "env" and read the following interpreter */
basename_interpreter += 4;
}
for (i = 0; ! ft && i < G_N_ELEMENTS(intepreter_map); i++)
{
if (g_str_has_prefix(basename_interpreter, intepreter_map[i].name))
ft = filetypes[intepreter_map[i].filetype];
}
g_free(tmp);
}
/* detect HTML files */
if (g_str_has_prefix(line, "<!DOCTYPE html") || g_str_has_prefix(line, "<html"))
{
/* PHP, Perl and Python files might also start with <html, so detect them based on filename
* extension and use the detected filetype, else assume HTML */
if (! shebang_find_and_match_filetype(utf8_filename,
GEANY_FILETYPES_PERL, GEANY_FILETYPES_PHP, GEANY_FILETYPES_PYTHON, -1))
{
ft = filetypes[GEANY_FILETYPES_HTML];
}
}
/* detect XML files */
else if (utf8_filename && g_str_has_prefix(line, "<?xml"))
{
/* HTML and DocBook files might also start with <?xml, so detect them based on filename
* extension and use the detected filetype, else assume XML */
if (! shebang_find_and_match_filetype(utf8_filename,
GEANY_FILETYPES_HTML, GEANY_FILETYPES_DOCBOOK,
/* Perl, Python and PHP only to be safe */
GEANY_FILETYPES_PERL, GEANY_FILETYPES_PHP, GEANY_FILETYPES_PYTHON, -1))
{
ft = filetypes[GEANY_FILETYPES_XML];
}
}
else if (g_str_has_prefix(line, "<?php"))
{
ft = filetypes[GEANY_FILETYPES_PHP];
}
return ft;
}
/* Detect the filetype checking for a shebang, then filename extension.
* @lines: an strv of the lines to scan (must containing at least one line) */
static GeanyFiletype *filetypes_detect_from_file_internal(const gchar *utf8_filename,
gchar **lines)
{
GeanyFiletype *ft;
gint i;
GRegex *ft_regex;
GMatchInfo *match;
GError *regex_error = NULL;
/* try to find a shebang and if found use it prior to the filename extension
* also checks for <?xml */
ft = find_shebang(utf8_filename, lines[0]);
if (ft != NULL)
return ft;
/* try to extract the filetype using a regex capture */
ft_regex = g_regex_new(file_prefs.extract_filetype_regex,
G_REGEX_RAW | G_REGEX_MULTILINE, 0, &regex_error);
if (ft_regex != NULL)
{
for (i = 0; ft == NULL && lines[i] != NULL; i++)
{
if (g_regex_match(ft_regex, lines[i], 0, &match))
{
gchar *capture = g_match_info_fetch(match, 1);
if (capture != NULL)
{
ft = filetypes_lookup_by_name(capture);
g_free(capture);
}
}
g_match_info_free(match);
}
g_regex_unref(ft_regex);
}
else if (regex_error != NULL)
{
geany_debug("Filetype extract regex ignored: %s", regex_error->message);
g_error_free(regex_error);
}
if (ft != NULL)
return ft;
if (utf8_filename == NULL)
return filetypes[GEANY_FILETYPES_NONE];
return filetypes_detect_from_extension(utf8_filename);
}
/* Detect the filetype for the document, checking for a shebang, then filename extension. */
GeanyFiletype *filetypes_detect_from_document(GeanyDocument *doc)
{
GeanyFiletype *ft;
gchar *lines[GEANY_FILETYPE_SEARCH_LINES + 1];
gint i;
g_return_val_if_fail(doc == NULL || doc->is_valid, filetypes[GEANY_FILETYPES_NONE]);
if (doc == NULL)
return filetypes[GEANY_FILETYPES_NONE];
for (i = 0; i < GEANY_FILETYPE_SEARCH_LINES; ++i)
{
lines[i] = sci_get_line(doc->editor->sci, i);
}
lines[i] = NULL;
ft = filetypes_detect_from_file_internal(doc->file_name, lines);
for (i = 0; i < GEANY_FILETYPE_SEARCH_LINES; ++i)
{
g_free(lines[i]);
}
return ft;
}
#ifdef HAVE_PLUGINS
/* Currently only used by external plugins (e.g. geanyprj). */
/**
* Detects filetype based on a shebang line in the file or the filename extension.
*
* @param utf8_filename The filename in UTF-8 encoding.
*
* @return The detected filetype for @a utf8_filename or @c filetypes[GEANY_FILETYPES_NONE]
* if it could not be detected.
**/
GeanyFiletype *filetypes_detect_from_file(const gchar *utf8_filename)
{
gchar line[1024];
gchar *lines[2];
FILE *f;
gchar *locale_name = utils_get_locale_from_utf8(utf8_filename);
f = g_fopen(locale_name, "r");
g_free(locale_name);
if (f != NULL)
{
if (fgets(line, sizeof(line), f) != NULL)
{
fclose(f);
lines[0] = line;
lines[1] = NULL;
return filetypes_detect_from_file_internal(utf8_filename, lines);
}
fclose(f);
}
return filetypes_detect_from_extension(utf8_filename);
}
#endif
void filetypes_select_radio_item(const GeanyFiletype *ft)
{
/* ignore_callback has to be set by the caller */
g_return_if_fail(ignore_callback);
if (ft == NULL)
ft = filetypes[GEANY_FILETYPES_NONE];
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(ft->priv->menu_item), TRUE);
}
static void
on_filetype_change(GtkCheckMenuItem *menuitem, gpointer user_data)
{
GeanyDocument *doc = document_get_current();
if (ignore_callback || doc == NULL || ! gtk_check_menu_item_get_active(menuitem))
return;
document_set_filetype(doc, (GeanyFiletype*)user_data);
}
static void create_radio_menu_item(GtkWidget *menu, GeanyFiletype *ftype)
{
static GSList *group = NULL;
GtkWidget *tmp;
tmp = gtk_radio_menu_item_new_with_label(group, ftype->title);
group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(tmp));
ftype->priv->menu_item = tmp;
gtk_widget_show(tmp);
gtk_container_add(GTK_CONTAINER(menu), tmp);
g_signal_connect(tmp, "activate", G_CALLBACK(on_filetype_change), (gpointer) ftype);
}
static void filetype_free(gpointer data, G_GNUC_UNUSED gpointer user_data)
{
GeanyFiletype *ft = data;
g_return_if_fail(ft != NULL);
g_free(ft->name);
g_free(ft->title);
g_free(ft->extension);
g_free(ft->mime_type);
g_free(ft->comment_open);
g_free(ft->comment_close);
g_free(ft->comment_single);
g_free(ft->context_action_cmd);
g_free(ft->priv->filecmds);
g_free(ft->priv->ftdefcmds);
g_free(ft->priv->execcmds);
g_free(ft->error_regex_string);
if (ft->icon)
g_object_unref(ft->icon);
g_strfreev(ft->pattern);
if (ft->priv->error_regex)
g_regex_unref(ft->priv->error_regex);
g_slist_foreach(ft->priv->tag_files, (GFunc) g_free, NULL);
g_slist_free(ft->priv->tag_files);
g_free(ft->priv);
g_free(ft);
}
/* frees the array and all related pointers */
void filetypes_free_types(void)
{
g_return_if_fail(filetypes_array != NULL);
g_return_if_fail(filetypes_hash != NULL);
g_ptr_array_foreach(filetypes_array, filetype_free, NULL);
g_ptr_array_free(filetypes_array, TRUE);
g_hash_table_destroy(filetypes_hash);
}
static void load_indent_settings(GeanyFiletype *ft, GKeyFile *config, GKeyFile *configh)
{
ft->indent_width = utils_get_setting(integer, configh, config, "indentation", "width", -1);
ft->indent_type = utils_get_setting(integer, configh, config, "indentation", "type", -1);
/* check whether the indent type is OK */
switch (ft->indent_type)
{
case GEANY_INDENT_TYPE_TABS:
case GEANY_INDENT_TYPE_SPACES:
case GEANY_INDENT_TYPE_BOTH:
case -1:
break;
default:
g_warning("Invalid indent type %d in file type %s", ft->indent_type, ft->name);
ft->indent_type = -1;
break;
}
}
static void load_settings(guint ft_id, GKeyFile *config, GKeyFile *configh)
{
GeanyFiletype *ft = filetypes[ft_id];
gchar *result;
/* default extension */
result = utils_get_setting(string, configh, config, "settings", "extension", NULL);
if (result != NULL)
{
SETPTR(filetypes[ft_id]->extension, result);
}
/* MIME type */
result = utils_get_setting(string, configh, config, "settings", "mime_type", "text/plain");
SETPTR(filetypes[ft_id]->mime_type, result);
/* read comment notes */
result = utils_get_setting(string, configh, config, "settings", "comment_open", NULL);
if (result != NULL)
{
SETPTR(filetypes[ft_id]->comment_open, result);
}
result = utils_get_setting(string, configh, config, "settings", "comment_close", NULL);
if (result != NULL)
{
SETPTR(filetypes[ft_id]->comment_close, result);
}
result = utils_get_setting(string, configh, config, "settings", "comment_single", NULL);
if (result != NULL)
{
SETPTR(filetypes[ft_id]->comment_single, result);
}
/* import correctly filetypes that use old-style single comments */
else if (EMPTY(filetypes[ft_id]->comment_close))
{
SETPTR(filetypes[ft_id]->comment_single, filetypes[ft_id]->comment_open);
filetypes[ft_id]->comment_open = NULL;
}
filetypes[ft_id]->comment_use_indent = utils_get_setting(boolean, configh, config,
"settings", "comment_use_indent", FALSE);
/* read context action */
result = utils_get_setting(string, configh, config, "settings", "context_action_cmd", NULL);
if (result != NULL)
{
SETPTR(filetypes[ft_id]->context_action_cmd, result);
}
result = utils_get_setting(string, configh, config, "settings", "tag_parser", NULL);
if (result != NULL)
{
ft->lang = tm_source_file_get_named_lang(result);
if (ft->lang < 0)
geany_debug("Cannot find tag parser '%s' for custom filetype '%s'.", result, ft->name);
g_free(result);
}
result = utils_get_setting(string, configh, config, "settings", "lexer_filetype", NULL);
if (result != NULL)
{
ft->lexer_filetype = filetypes_lookup_by_name(result);
if (!ft->lexer_filetype)
geany_debug("Cannot find lexer filetype '%s' for custom filetype '%s'.", result, ft->name);
g_free(result);
}
ft->priv->symbol_list_sort_mode = utils_get_setting(integer, configh, config, "settings",
"symbol_list_sort_mode", SYMBOLS_SORT_BY_NAME);
ft->priv->xml_indent_tags = utils_get_setting(boolean, configh, config, "settings",
"xml_indent_tags", FALSE);
/* read indent settings */
load_indent_settings(ft, config, configh);
/* read build settings */
build_load_menu(config, GEANY_BCS_FT, (gpointer)ft);
build_load_menu(configh, GEANY_BCS_HOME_FT, (gpointer)ft);
}
static void copy_keys(GKeyFile *dest, const gchar *dest_group,
GKeyFile *src, const gchar *src_group)
{
gchar **keys = g_key_file_get_keys(src, src_group, NULL, NULL);
gchar **ptr;
foreach_strv(ptr, keys)
{
gchar *key = *ptr;
gchar *value = g_key_file_get_value(src, src_group, key, NULL);
g_key_file_set_value(dest, dest_group, key, value);
g_free(value);
}
g_strfreev(keys);
}
static gchar *filetypes_get_filename(GeanyFiletype *ft, gboolean user)
{
gchar *ext = filetypes_get_conf_extension(ft);
gchar *base_name = g_strconcat("filetypes.", ext, NULL);
gchar *file_name;
if (user)
file_name = g_build_filename(app->configdir, GEANY_FILEDEFS_SUBDIR, base_name, NULL);
else
file_name = g_build_filename(app->datadir, base_name, NULL);
g_free(ext);
g_free(base_name);
return file_name;
}
static void add_group_keys(GKeyFile *kf, const gchar *group, GeanyFiletype *ft)
{
gchar *files[2];
gboolean loaded = FALSE;
guint i;
files[0] = filetypes_get_filename(ft, FALSE);
files[1] = filetypes_get_filename(ft, TRUE);
for (i = 0; i < G_N_ELEMENTS(files); i++)
{
GKeyFile *src = g_key_file_new();
if (g_key_file_load_from_file(src, files[i], G_KEY_FILE_NONE, NULL))
{
copy_keys(kf, group, src, group);
loaded = TRUE;
}
g_key_file_free(src);
}
if (!loaded)
geany_debug("Could not read config file %s for [%s=%s]!", files[0], group, ft->name);
g_free(files[0]);
g_free(files[1]);
}
static void copy_ft_groups(GKeyFile *kf)
{
gchar **groups = g_key_file_get_groups(kf, NULL);
gchar **ptr;
foreach_strv(ptr, groups)
{
gchar *group = *ptr;
gchar *old_group;
gchar *name = strchr(*ptr, '=');
GeanyFiletype *ft;
if (!name || !name[1]) /* no name or no parent name */
continue;
old_group = g_strdup(group);
/* terminate group at '=' */
*name = 0;
name++;
ft = filetypes_lookup_by_name(name);
if (ft)
{
add_group_keys(kf, group, ft);
/* move old group keys (foo=bar) to proper group name (foo) */
copy_keys(kf, group, kf, old_group);
}
g_free(old_group);
}
g_strfreev(groups);
}
/* simple wrapper function to print file errors in DEBUG mode */
static void load_system_keyfile(GKeyFile *key_file, const gchar *file, GKeyFileFlags flags,
GeanyFiletype *ft)
{
GError *error = NULL;
gboolean done = g_key_file_load_from_file(key_file, file, flags, &error);
if (error != NULL)
{
if (!done && !ft->priv->custom)
geany_debug("Failed to open %s (%s)", file, error->message);
g_error_free(error);
error = NULL;
}
}
/* Load the configuration file for the associated filetype id.
* This should only be called when the filetype is needed, to save loading
* 20+ configuration files all at once. */
void filetypes_load_config(guint ft_id, gboolean reload)
{
GKeyFile *config, *config_home;
GeanyFiletypePrivate *pft;
GeanyFiletype *ft;
g_return_if_fail(ft_id < filetypes_array->len);
ft = filetypes[ft_id];
pft = ft->priv;
/* when reloading, proceed only if the settings were already loaded */
if (G_UNLIKELY(reload && ! pft->keyfile_loaded))
return;
/* when not reloading, load the settings only once */
if (G_LIKELY(! reload && pft->keyfile_loaded))
return;
pft->keyfile_loaded = TRUE;
config = g_key_file_new();
config_home = g_key_file_new();
{
/* highlighting uses GEANY_FILETYPES_NONE for common settings */
gchar *f;
f = filetypes_get_filename(ft, FALSE);
load_system_keyfile(config, f, G_KEY_FILE_KEEP_COMMENTS, ft);
SETPTR(f, filetypes_get_filename(ft, TRUE));
g_key_file_load_from_file(config_home, f, G_KEY_FILE_KEEP_COMMENTS, NULL);
g_free(f);
}
/* Copy keys for any groups with [group=C] from system keyfile */
copy_ft_groups(config);
copy_ft_groups(config_home);
load_settings(ft_id, config, config_home);
highlighting_init_styles(ft_id, config, config_home);
if (ft->icon)
g_object_unref(ft->icon);
ft->icon = ui_get_mime_icon(ft->mime_type);
g_key_file_free(config);
g_key_file_free(config_home);
}
static gchar *filetypes_get_conf_extension(const GeanyFiletype *ft)
{
gchar *result;
if (ft->priv->custom)
return g_strconcat(ft->name, ".conf", NULL);
/* Handle any special extensions different from lowercase filetype->name */
switch (ft->id)
{
case GEANY_FILETYPES_CPP: result = g_strdup("cpp"); break;
case GEANY_FILETYPES_CS: result = g_strdup("cs"); break;
case GEANY_FILETYPES_MAKE: result = g_strdup("makefile"); break;
case GEANY_FILETYPES_NONE: result = g_strdup("common"); break;
/* name is Matlab/Octave */
case GEANY_FILETYPES_MATLAB: result = g_strdup("matlab"); break;
/* name is Objective-C, and we don't want the hyphen */
case GEANY_FILETYPES_OBJECTIVEC: result = g_strdup("objectivec"); break;
default:
result = g_ascii_strdown(ft->name, -1);
break;
}
return result;
}
void filetypes_save_commands(GeanyFiletype *ft)
{
GKeyFile *config_home;
gchar *fname, *data;
fname = filetypes_get_filename(ft, TRUE);
config_home = g_key_file_new();
g_key_file_load_from_file(config_home, fname, G_KEY_FILE_KEEP_COMMENTS, NULL);
build_save_menu(config_home, ft, GEANY_BCS_HOME_FT);
data = g_key_file_to_data(config_home, NULL, NULL);
utils_write_file(fname, data);
g_free(data);
g_key_file_free(config_home);
g_free(fname);
}
/* create one file filter which has each file pattern of each filetype */
GtkFileFilter *filetypes_create_file_filter_all_source(void)
{
GtkFileFilter *new_filter;
guint i, j;
new_filter = gtk_file_filter_new();
gtk_file_filter_set_name(new_filter, _("All Source"));
for (i = 0; i < filetypes_array->len; i++)
{
if (G_UNLIKELY(i == GEANY_FILETYPES_NONE))
continue;
for (j = 0; filetypes[i]->pattern[j]; j++)
{
gtk_file_filter_add_pattern(new_filter, filetypes[i]->pattern[j]);
}
}
return new_filter;
}
GtkFileFilter *filetypes_create_file_filter(const GeanyFiletype *ft)
{
GtkFileFilter *new_filter;
gint i;
const gchar *title;
g_return_val_if_fail(ft != NULL, NULL);
new_filter = gtk_file_filter_new();
title = ft->id == GEANY_FILETYPES_NONE ? _("All files") : ft->title;
gtk_file_filter_set_name(new_filter, title);
for (i = 0; ft->pattern[i]; i++)
{
gtk_file_filter_add_pattern(new_filter, ft->pattern[i]);
}
return new_filter;
}
/* Indicates whether there is a tag parser for the filetype or not.
* Only works for custom filetypes if the filetype settings have been loaded. */
gboolean filetype_has_tags(GeanyFiletype *ft)
{
g_return_val_if_fail(ft != NULL, FALSE);
return ft->lang >= 0;
}
/** Finds a filetype pointer from its @a name field.
* @param name Filetype name.
* @return The filetype found, or @c NULL.
*
* @since 0.15
**/
GeanyFiletype *filetypes_lookup_by_name(const gchar *name)
{
GeanyFiletype *ft;
g_return_val_if_fail(!EMPTY(name), NULL);
ft = g_hash_table_lookup(filetypes_hash, name);
if (G_UNLIKELY(ft == NULL))
geany_debug("Could not find filetype '%s'.", name);
return ft;
}
static void compile_regex(GeanyFiletype *ft, gchar *regstr)
{
GError *error = NULL;
GRegex *regex = g_regex_new(regstr, 0, 0, &error);
if (!regex)
{
ui_set_statusbar(TRUE, _("Bad regex for filetype %s: %s"),
filetypes_get_display_name(ft), error->message);
g_error_free(error);
}
if (ft->priv->error_regex)
g_regex_unref(ft->priv->error_regex);
ft->priv->error_regex = regex;
}
gboolean filetypes_parse_error_message(GeanyFiletype *ft, const gchar *message,
gchar **filename, gint *line)
{
gchar *regstr;
gchar **tmp;
GeanyDocument *doc;
GMatchInfo *minfo;
gint i, n_match_groups;
gchar *first, *second;
if (ft == NULL)
{
doc = document_get_current();
if (doc != NULL)
ft = doc->file_type;
}
tmp = build_get_regex(build_info.grp, ft, NULL);
if (tmp == NULL)
return FALSE;
regstr = *tmp;
*filename = NULL;
*line = -1;
if (G_UNLIKELY(EMPTY(regstr)))
return FALSE;
if (!ft->priv->error_regex || regstr != ft->priv->last_error_pattern)
{
compile_regex(ft, regstr);
ft->priv->last_error_pattern = regstr;
}
if (!ft->priv->error_regex)
return FALSE;
if (!g_regex_match(ft->priv->error_regex, message, 0, &minfo))
{
g_match_info_free(minfo);
return FALSE;
}
n_match_groups = g_match_info_get_match_count(minfo);
first = second = NULL;
for (i = 1; i < n_match_groups; i++)
{
gint start_pos;
g_match_info_fetch_pos(minfo, i, &start_pos, NULL);
if (start_pos != -1)
{
if (first == NULL)
first = g_match_info_fetch(minfo, i);
else
{
second = g_match_info_fetch(minfo, i);
break;
}
}
}
if (second)
{
gchar *end;
glong l;
l = strtol(first, &end, 10);
if (*end == '\0') /* first is purely decimals */
{
*line = l;
g_free(first);
*filename = second;
}
else
{
l = strtol(second, &end, 10);
if (*end == '\0')
{
*line = l;
g_free(second);
*filename = first;
}
else
{
g_free(first);
g_free(second);
}
}
}
else
g_free(first);
g_match_info_free(minfo);
return *filename != NULL;
}
#ifdef G_OS_WIN32
static void convert_filetype_extensions_to_lower_case(gchar **patterns, gsize len)
{
guint i;
for (i = 0; i < len; i++)
{
SETPTR(patterns[i], g_ascii_strdown(patterns[i], -1));
}
}
#endif
static void read_extensions(GKeyFile *sysconfig, GKeyFile *userconfig)
{
guint i;
gsize len = 0;
/* read the keys */
for (i = 0; i < filetypes_array->len; i++)
{
gboolean userset =
g_key_file_has_key(userconfig, "Extensions", filetypes[i]->name, NULL);
gchar **list = g_key_file_get_string_list(
(userset) ? userconfig : sysconfig, "Extensions", filetypes[i]->name, &len, NULL);
g_strfreev(filetypes[i]->pattern);
/* Note: we allow 'Foo=' to remove all patterns */
if (!list)
list = g_new0(gchar*, 1);
filetypes[i]->pattern = list;
#ifdef G_OS_WIN32
convert_filetype_extensions_to_lower_case(filetypes[i]->pattern, len);
#endif
}
}
static void read_group(GKeyFile *config, const gchar *group_name, GeanyFiletypeGroupID group_id)
{
gchar **names = g_key_file_get_string_list(config, "Groups", group_name, NULL, NULL);
gchar **name;
foreach_strv(name, names)
{
GeanyFiletype *ft = filetypes_lookup_by_name(*name);
if (ft)
{
ft->group = group_id;
if (ft->priv->custom &&
(group_id == GEANY_FILETYPE_GROUP_COMPILED || group_id == GEANY_FILETYPE_GROUP_SCRIPT))
{
SETPTR(ft->title, filetype_make_title(ft->name, TITLE_SOURCE_FILE));
}
}
else
geany_debug("Filetype '%s' not found for group '%s'!", *name, group_name);
}
g_strfreev(names);
}
static void read_groups(GKeyFile *config)
{
read_group(config, "Programming", GEANY_FILETYPE_GROUP_COMPILED);
read_group(config, "Script", GEANY_FILETYPE_GROUP_SCRIPT);
read_group(config, "Markup", GEANY_FILETYPE_GROUP_MARKUP);
read_group(config, "Misc", GEANY_FILETYPE_GROUP_MISC);
read_group(config, "None", GEANY_FILETYPE_GROUP_NONE);
}
static void read_filetype_config(void)
{
gchar *sysconfigfile = g_build_filename(app->datadir, "filetype_extensions.conf", NULL);
gchar *userconfigfile = g_build_filename(app->configdir, "filetype_extensions.conf", NULL);
GKeyFile *sysconfig = g_key_file_new();
GKeyFile *userconfig = g_key_file_new();
g_key_file_load_from_file(sysconfig, sysconfigfile, G_KEY_FILE_NONE, NULL);
g_key_file_load_from_file(userconfig, userconfigfile, G_KEY_FILE_NONE, NULL);
read_extensions(sysconfig, userconfig);
read_groups(sysconfig);
read_groups(userconfig);
g_free(sysconfigfile);
g_free(userconfigfile);
g_key_file_free(sysconfig);
g_key_file_free(userconfig);
}
void filetypes_reload_extensions(void)
{
guint i;
read_filetype_config();
/* Redetect filetype of any documents with none set */
foreach_document(i)
{
GeanyDocument *doc = documents[i];
if (doc->file_type->id != GEANY_FILETYPES_NONE)
continue;
document_set_filetype(doc, filetypes_detect_from_document(doc));
}
}
/** Accessor function for @ref GeanyData::filetypes_array items.
* Example: @code ft = filetypes_index(GEANY_FILETYPES_C); @endcode
* @param idx @c filetypes_array index.
* @return The filetype, or @c NULL if @a idx is out of range.
*
* @since 0.16
*/
GeanyFiletype *filetypes_index(gint idx)
{
return (idx >= 0 && idx < (gint) filetypes_array->len) ? filetypes[idx] : NULL;
}
void filetypes_reload(void)
{
guint i;
GeanyDocument *current_doc;
/* reload filetype configs */
for (i = 0; i < filetypes_array->len; i++)
{
/* filetypes_load_config() will skip not loaded filetypes */
filetypes_load_config(i, TRUE);
}
current_doc = document_get_current();
if (!current_doc)
return;
/* update document styling */
foreach_document(i)
{
if (current_doc != documents[i])
document_reload_config(documents[i]);
}
/* process the current document at last */
document_reload_config(current_doc);
}
/** Gets @c ft->name or a translation for filetype None.
* @param ft .
* @return .
* @since Geany 0.20 */
const gchar *filetypes_get_display_name(GeanyFiletype *ft)
{
return ft->id == GEANY_FILETYPES_NONE ? _("None") : ft->name;
}
/* gets comment_open/comment_close/comment_single strings from the filetype
* @param single_first: whether single comment is preferred if both available
* returns true if at least comment_open is set, false otherwise */
gboolean filetype_get_comment_open_close(const GeanyFiletype *ft, gboolean single_first,
const gchar **co, const gchar **cc)
{
g_return_val_if_fail(ft != NULL, FALSE);
g_return_val_if_fail(co != NULL, FALSE);
g_return_val_if_fail(cc != NULL, FALSE);
if (single_first)
{
*co = ft->comment_single;
if (!EMPTY(*co))
*cc = NULL;
else
{
*co = ft->comment_open;
*cc = ft->comment_close;
}
}
else
{
*co = ft->comment_open;
if (!EMPTY(*co))
*cc = ft->comment_close;
else
{
*co = ft->comment_single;
*cc = NULL;
}
}
return !EMPTY(*co);
}
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