Pileus Git - ~andy/gtk/blob - gtk/gtkcssparserprivate.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __GTK_CSS_PARSER_PRIVATE_H__
  21 #define __GTK_CSS_PARSER_PRIVATE_H__
  22
  23 #include "gtk/gtkcsstypesprivate.h"
  24 #include <gtk/gtksymboliccolor.h>
  25
  26 G_BEGIN_DECLS
  27
  28 typedef enum /*< skip >*/ {
  29   GTK_CSS_POSITIVE_ONLY = (1 << 0),
  30   GTK_CSS_PARSE_PERCENT = (1 << 1),
  31   GTK_CSS_PARSE_NUMBER = (1 << 2),
  32   GTK_CSS_NUMBER_AS_PIXELS = (1 << 3),
  33   GTK_CSS_PARSE_LENGTH = (1 << 4),
  34   GTK_CSS_PARSE_ANGLE = (1 << 5)
  35 } GtkCssNumberParseFlags;
  36
  37 typedef struct _GtkCssParser GtkCssParser;
  38
  39 typedef void (* GtkCssParserErrorFunc) (GtkCssParser *parser,
  40                                         const GError *error,
  41                                         gpointer      user_data);
  42
  43 GtkCssParser *  _gtk_css_parser_new               (const char            *data,
  44                                                    GtkCssParserErrorFunc  error_func,
  45                                                    gpointer               user_data);
  46 void            _gtk_css_parser_free              (GtkCssParser          *parser);
  47
  48 void            _gtk_css_parser_take_error        (GtkCssParser          *parser,
  49                                                    GError                *error);
  50 void            _gtk_css_parser_error             (GtkCssParser          *parser,
  51                                                    const char            *format,
  52                                                     ...) G_GNUC_PRINTF (2, 3);
  53
  54 guint           _gtk_css_parser_get_line          (GtkCssParser          *parser);
  55 guint           _gtk_css_parser_get_position      (GtkCssParser          *parser);
  56
  57 gboolean        _gtk_css_parser_is_eof            (GtkCssParser          *parser);
  58 gboolean        _gtk_css_parser_begins_with       (GtkCssParser          *parser,
  59                                                    char                   c);
  60 gboolean        _gtk_css_parser_has_prefix        (GtkCssParser          *parser,
  61                                                    const char            *prefix);
  62 gboolean        _gtk_css_parser_is_string         (GtkCssParser          *parser);
  63
  64 /* IMPORTANT:
  65  * _try_foo() functions do not modify the data pointer if they fail, nor do they
  66  * signal an error. _read_foo() will modify the data pointer and position it at
  67  * the first token that is broken and emit an error about the failure.
  68  * So only call _read_foo() when you know that you are reading a foo. _try_foo()
  69  * however is fine to call if you don't know yet if the token is a foo or a bar,
  70  * you can _try_bar() if try_foo() failed.
  71  */
  72 gboolean        _gtk_css_parser_try               (GtkCssParser          *parser,
  73                                                    const char            *string,
  74                                                    gboolean               skip_whitespace);
  75 char *          _gtk_css_parser_try_ident         (GtkCssParser          *parser,
  76                                                    gboolean               skip_whitespace);
  77 char *          _gtk_css_parser_try_name          (GtkCssParser          *parser,
  78                                                    gboolean               skip_whitespace);
  79 gboolean        _gtk_css_parser_try_int           (GtkCssParser          *parser,
  80                                                    int                   *value);
  81 gboolean        _gtk_css_parser_try_uint          (GtkCssParser          *parser,
  82                                                    guint                 *value);
  83 gboolean        _gtk_css_parser_try_double        (GtkCssParser          *parser,
  84                                                    gdouble               *value);
  85 gboolean        _gtk_css_parser_try_length        (GtkCssParser          *parser,
  86                                                    int                   *value);
  87 gboolean        _gtk_css_parser_try_enum          (GtkCssParser          *parser,
  88                                                    GType                  enum_type,
  89                                                    int                   *value);
  90
  91 gboolean        _gtk_css_parser_has_number        (GtkCssParser          *parser);
  92 gboolean        _gtk_css_parser_read_number       (GtkCssParser          *parser,
  93                                                    GtkCssNumber          *number,
  94                                                    GtkCssNumberParseFlags flags);
  95 char *          _gtk_css_parser_read_string       (GtkCssParser          *parser);
  96 char *          _gtk_css_parser_read_value        (GtkCssParser          *parser);
  97 GtkSymbolicColor *_gtk_css_parser_read_symbolic_color
  98                                                   (GtkCssParser          *parser);
  99 GFile *         _gtk_css_parser_read_url          (GtkCssParser          *parser,
 100                                                    GFile                 *base);
 101
 102 void            _gtk_css_parser_skip_whitespace   (GtkCssParser          *parser);
 103 void            _gtk_css_parser_resync            (GtkCssParser          *parser,
 104                                                    gboolean               sync_at_semicolon,
 105                                                    char                   terminator);
 106
 107 G_END_DECLS
 108
 109 #endif /* __GTK_CSS_PARSER_PRIVATE_H__ */