299 lines
9.7 KiB
C
299 lines
9.7 KiB
C
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4; coding: utf-8 -*-
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*
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* moolang.h
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*
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* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#ifndef __MOO_LANG_H__
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#define __MOO_LANG_H__
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#include <gtk/gtktexttag.h>
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#include <mooedit/mootextstyle.h>
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G_BEGIN_DECLS
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#define MOO_LANG_DIR_BASENAME "syntax"
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#define MOO_STYLES_PREFS_PREFIX MOO_EDIT_PREFS_PREFIX "/styles"
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#define MOO_TYPE_LANG (moo_lang_get_type ())
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#define MOO_TYPE_LANG_TABLE (moo_lang_table_get_type ())
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#define MOO_LANG_TABLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), MOO_TYPE_LANG_TABLE, MooLangTable))
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#define MOO_LANG_TABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MOO_TYPE_LANG_TABLE, MooLangTableClass))
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#define MOO_IS_LANG_TABLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), MOO_TYPE_LANG_TABLE))
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#define MOO_IS_LANG_TABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MOO_TYPE_LANG_TABLE))
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#define MOO_LANG_TABLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MOO_TYPE_LANG_TABLE, MooLangTableClass))
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typedef struct _MooLang MooLang;
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typedef struct _MooLangTable MooLangTable;
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typedef struct _MooLangTableClass MooLangTableClass;
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typedef struct _MooContext MooContext;
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typedef struct _MooContextArray MooContextArray;
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typedef struct _MooCtxSwitch MooCtxSwitch;
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typedef struct _MooRule MooRule;
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typedef struct _MooRuleArray MooRuleArray;
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struct _MooLang {
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MooLangTable *table;
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GHashTable *context_names; /* char* -> MooContext* */
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MooContextArray *contexts;
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GHashTable *style_names; /* char* -> MooStyle* */
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MooTextStyleArray *styles;
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GHashTable *style_cache; /* char* -> MooStyle* */
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char *name; /* not NULL */
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char *section; /* not NULL; "Others" by default */
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char *version; /* not NULL; "" by default */
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char *author; /* not NULL; "" by default */
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GSList *mime_types; /* list of mime types */
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GSList *extensions; /* list of globs */
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char *brackets;
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char *single_line_comment;
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char *multi_line_comment_start;
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char *multi_line_comment_end;
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guint hidden : 1;
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};
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struct _MooLangTable {
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GObject base;
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GSList *lang_dirs;
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GSList *langs;
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GHashTable *lang_names;
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GHashTable *schemes;
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MooTextStyleScheme *active_scheme;
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guint dirs_read : 1;
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};
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struct _MooLangTableClass
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{
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GObjectClass base_class;
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void (*lang_added) (MooLangTable *table,
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const char *lang_name);
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void (*lang_removed) (MooLangTable *table,
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const char *lang_name);
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};
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typedef enum {
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MOO_CONTEXT_STAY = 0,
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MOO_CONTEXT_POP,
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MOO_CONTEXT_SWITCH
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} MooCtxSwitchType;
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struct _MooCtxSwitch {
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MooCtxSwitchType type;
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union {
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guint num;
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MooContext *ctx;
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};
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};
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struct _MooRuleArray {
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MooRule **data;
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guint len;
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};
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struct _MooContextArray {
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MooContext **data;
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guint len;
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};
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struct _MooContext {
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MooLang *lang;
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char *name;
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char *style;
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MooRuleArray *rules;
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MooCtxSwitch line_end;
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};
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typedef enum {
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MOO_RULE_ASCII_STRING,
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MOO_RULE_REGEX,
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MOO_RULE_ASCII_CHAR,
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MOO_RULE_ASCII_2CHAR,
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MOO_RULE_ASCII_RANGE,
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MOO_RULE_KEYWORDS,
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MOO_RULE_INCLUDE
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} MooRuleType;
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typedef enum {
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MOO_RULE_MATCH_FIRST_CHAR = 1 << 0,
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MOO_RULE_MATCH_FIRST_NON_EMPTY_CHAR = 1 << 1,
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MOO_RULE_MATCH_FIRST_LINE = 1 << 2,
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MOO_RULE_MATCH_CASELESS = 1 << 3,
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MOO_RULE_INCLUDE_INTO_NEXT = 1 << 4
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} MooRuleFlags;
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typedef struct {
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char *string;
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guint length;
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guint caseless : 1;
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} MooRuleAsciiString;
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typedef struct {
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gpointer regex; /* EggRegex* */
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guint non_empty : 1;
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} MooRuleRegex;
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typedef struct {
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char ch;
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guint caseless : 1;
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} MooRuleAsciiChar;
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typedef struct {
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char str[3];
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} MooRuleAscii2Char;
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typedef struct {
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char *chars;
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guint n_chars;
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} MooRuleAsciiRange;
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typedef struct {
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MooContext *ctx;
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} MooRuleInclude;
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struct _MooRule
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{
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char *style;
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MooContext *context;
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MooCtxSwitch exit;
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MooRuleType type;
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MooRuleFlags flags;
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MooRuleArray *child_rules;
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union {
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MooRuleAsciiString str;
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MooRuleRegex regex;
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MooRuleAsciiChar _char;
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MooRuleAscii2Char _2char;
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MooRuleAsciiRange range;
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MooRuleInclude incl;
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};
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};
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GType moo_lang_get_type (void) G_GNUC_CONST;
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GType moo_lang_table_get_type (void) G_GNUC_CONST;
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/*****************************************************************************/
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/* MooContext
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*/
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void moo_context_add_rule (MooContext *ctx,
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MooRule *rule);
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void moo_context_set_line_end_stay (MooContext *ctx);
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void moo_context_set_line_end_pop (MooContext *ctx,
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guint num);
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void moo_context_set_line_end_switch (MooContext *ctx,
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MooContext *target);
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/*****************************************************************************/
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/* MooLang
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*/
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MooLang *moo_lang_new (MooLangTable *table,
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const char *name,
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const char *section,
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const char *version,
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const char *author);
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char *moo_lang_get_name (MooLang *lang);
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char *moo_lang_get_display_name (MooLang *lang);
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MooLang *moo_lang_ref (MooLang *lang);
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void moo_lang_unref (MooLang *lang);
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MooContext *moo_lang_add_context (MooLang *lang,
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const char *name,
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const char *style);
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MooContext *moo_lang_get_context (MooLang *lang,
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const char *ctx_name);
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MooContext *moo_lang_get_default_context (MooLang *lang);
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void moo_lang_add_style (MooLang *lang,
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const char *name,
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const MooTextStyle *style);
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/*****************************************************************************/
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/* MooLangTable
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*/
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MooLangTable *moo_lang_table_new (void);
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GSList *moo_lang_table_get_available_langs (MooLangTable *table);
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GSList *moo_lang_table_get_sections (MooLangTable *table);
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MooLang *moo_lang_table_get_lang_for_file (MooLangTable *table,
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const char *filename);
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MooLang *moo_lang_table_get_lang_for_filename (MooLangTable *table,
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const char *filename);
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MooLang *moo_lang_table_get_lang_for_mime_type (MooLangTable *table,
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const char *mime_type);
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MooLang *moo_lang_table_get_lang (MooLangTable *table,
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const char *name);
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MooContext *moo_lang_table_get_context (MooLangTable *table,
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const char *lang_name,
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const char *ctx_name);
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void moo_lang_table_add_dir (MooLangTable *table,
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const char *dir);
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void moo_lang_table_read_dirs (MooLangTable *table);
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MooTextStyle *moo_lang_table_get_style (MooLangTable *table,
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const char *lang_name, /* default style if NULL */
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const char *style_name);
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void moo_lang_table_set_style (MooLangTable *table,
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const char *lang_name, /* default style if NULL */
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const char *style_name,
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const MooTextStyle *style);
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MooTextStyleScheme *moo_lang_table_get_active_scheme (MooLangTable *table);
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/*****************************************************************************/
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/* Auxiliary private methods
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*/
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void _moo_lang_set_tag_style (MooLang *lang,
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GtkTextTag *tag,
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MooContext *ctx,
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MooRule *rule);
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void _moo_style_set_tag_style (const MooTextStyle *style,
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GtkTextTag *tag);
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/* implemented in moohighlighter.c */
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MooContext *_moo_text_iter_get_context (const GtkTextIter *iter);
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G_END_DECLS
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#endif /* __MOO_LANG_H__ */
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