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/* GSK - The GIMP Toolkit
* Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <glib.h>
#include <gtk/css/gtkcsslocation.h>
G_BEGIN_DECLS
typedef enum {
/* no content */
GTK_CSS_TOKEN_EOF,
GTK_CSS_TOKEN_WHITESPACE,
GTK_CSS_TOKEN_OPEN_PARENS,
GTK_CSS_TOKEN_CLOSE_PARENS,
GTK_CSS_TOKEN_OPEN_SQUARE,
GTK_CSS_TOKEN_CLOSE_SQUARE,
GTK_CSS_TOKEN_OPEN_CURLY,
GTK_CSS_TOKEN_CLOSE_CURLY,
GTK_CSS_TOKEN_COMMA,
GTK_CSS_TOKEN_COLON,
GTK_CSS_TOKEN_SEMICOLON,
GTK_CSS_TOKEN_CDO,
GTK_CSS_TOKEN_CDC,
GTK_CSS_TOKEN_INCLUDE_MATCH,
GTK_CSS_TOKEN_DASH_MATCH,
GTK_CSS_TOKEN_PREFIX_MATCH,
GTK_CSS_TOKEN_SUFFIX_MATCH,
GTK_CSS_TOKEN_SUBSTRING_MATCH,
GTK_CSS_TOKEN_COLUMN,
GTK_CSS_TOKEN_BAD_STRING,
GTK_CSS_TOKEN_BAD_URL,
GTK_CSS_TOKEN_COMMENT,
/* delim */
GTK_CSS_TOKEN_DELIM,
/* string */
GTK_CSS_TOKEN_STRING,
GTK_CSS_TOKEN_IDENT,
GTK_CSS_TOKEN_FUNCTION,
GTK_CSS_TOKEN_AT_KEYWORD,
GTK_CSS_TOKEN_HASH_UNRESTRICTED,
GTK_CSS_TOKEN_HASH_ID,
GTK_CSS_TOKEN_URL,
/* number */
GTK_CSS_TOKEN_SIGNED_INTEGER,
GTK_CSS_TOKEN_SIGNLESS_INTEGER,
GTK_CSS_TOKEN_SIGNED_NUMBER,
GTK_CSS_TOKEN_SIGNLESS_NUMBER,
GTK_CSS_TOKEN_PERCENTAGE,
/* dimension */
GTK_CSS_TOKEN_SIGNED_INTEGER_DIMENSION,
GTK_CSS_TOKEN_SIGNLESS_INTEGER_DIMENSION,
GTK_CSS_TOKEN_SIGNED_DIMENSION,
GTK_CSS_TOKEN_SIGNLESS_DIMENSION
} GtkCssTokenType;
typedef union _GtkCssToken GtkCssToken;
typedef struct _GtkCssTokenizer GtkCssTokenizer;
typedef struct _GtkCssStringToken GtkCssStringToken;
typedef struct _GtkCssDelimToken GtkCssDelimToken;
typedef struct _GtkCssNumberToken GtkCssNumberToken;
typedef struct _GtkCssDimensionToken GtkCssDimensionToken;
struct _GtkCssStringToken {
GtkCssTokenType type;
int len;
union {
char buf[16];
char *string;
} u;
};
struct _GtkCssDelimToken {
GtkCssTokenType type;
gunichar delim;
};
struct _GtkCssNumberToken {
GtkCssTokenType type;
double number;
};
struct _GtkCssDimensionToken {
GtkCssTokenType type;
double value;
char dimension[8];
};
union _GtkCssToken {
GtkCssTokenType type;
GtkCssStringToken string;
GtkCssDelimToken delim;
GtkCssNumberToken number;
GtkCssDimensionToken dimension;
};
static inline const char *
gtk_css_token_get_string (const GtkCssToken *token)
{
if (token->string.len < 16)
return token->string.u.buf;
else
return token->string.u.string;
}
void gtk_css_token_clear (GtkCssToken *token);
gboolean gtk_css_token_is_finite (const GtkCssToken *token) G_GNUC_PURE;
gboolean gtk_css_token_is_preserved (const GtkCssToken *token,
GtkCssTokenType *out_closing) G_GNUC_PURE;
#define gtk_css_token_is(token, _type) ((token)->type == (_type))
gboolean gtk_css_token_is_ident (const GtkCssToken *token,
const char *ident) G_GNUC_PURE;
gboolean gtk_css_token_is_function (const GtkCssToken *token,
const char *ident) G_GNUC_PURE;
gboolean gtk_css_token_is_delim (const GtkCssToken *token,
gunichar delim) G_GNUC_PURE;
void gtk_css_token_print (const GtkCssToken *token,
GString *string);
char * gtk_css_token_to_string (const GtkCssToken *token);
GtkCssTokenizer * gtk_css_tokenizer_new (GBytes *bytes);
GtkCssTokenizer * gtk_css_tokenizer_new_for_range (GBytes *bytes,
gsize offset,
gsize length);
GtkCssTokenizer * gtk_css_tokenizer_ref (GtkCssTokenizer *tokenizer);
void gtk_css_tokenizer_unref (GtkCssTokenizer *tokenizer);
GBytes * gtk_css_tokenizer_get_bytes (GtkCssTokenizer *tokenizer);
const GtkCssLocation * gtk_css_tokenizer_get_location (GtkCssTokenizer *tokenizer) G_GNUC_CONST;
gboolean gtk_css_tokenizer_read_token (GtkCssTokenizer *tokenizer,
GtkCssToken *token,
GError **error);
void gtk_css_tokenizer_save (GtkCssTokenizer *tokenizer);
void gtk_css_tokenizer_restore (GtkCssTokenizer *tokenizer);
G_END_DECLS
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