diff options
Diffstat (limited to 'gtk/css/gtkcsstokenizer.c')
| -rw-r--r-- | gtk/css/gtkcsstokenizer.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gtk/css/gtkcsstokenizer.c b/gtk/css/gtkcsstokenizer.c index fd983c8f0f..57cf6339a8 100644 --- a/gtk/css/gtkcsstokenizer.c +++ b/gtk/css/gtkcsstokenizer.c @@ -268,6 +268,83 @@ gtk_css_token_is_finite (const GtkCssToken *token) } } +/* + * gtk_css_token_is_preserved: + * @token: a #GtkCssToken + * @out_closing: (allow-none): Type of the token that closes a block + * started with this token + * + * A token is considered preserved when it does not start a block. + * + * Tokens that start a block require different error recovery when parsing, + * so CSS parsers want to look at this function + * + * Returns: %TRUE if the token is considered preserved. + **/ +gboolean +gtk_css_token_is_preserved (const GtkCssToken *token, + GtkCssTokenType *out_closing) +{ + switch (token->type) + { + case GTK_CSS_TOKEN_FUNCTION: + case GTK_CSS_TOKEN_OPEN_PARENS: + if (out_closing) + *out_closing = GTK_CSS_TOKEN_CLOSE_PARENS; + return FALSE; + + case GTK_CSS_TOKEN_OPEN_SQUARE: + if (out_closing) + *out_closing = GTK_CSS_TOKEN_CLOSE_SQUARE; + return FALSE; + + case GTK_CSS_TOKEN_OPEN_CURLY: + if (out_closing) + *out_closing = GTK_CSS_TOKEN_CLOSE_CURLY; + return FALSE; + + default: + g_assert_not_reached (); + case GTK_CSS_TOKEN_EOF: + case GTK_CSS_TOKEN_WHITESPACE: + case GTK_CSS_TOKEN_STRING: + case GTK_CSS_TOKEN_URL: + case GTK_CSS_TOKEN_PERCENTAGE: + case GTK_CSS_TOKEN_CLOSE_PARENS: + case GTK_CSS_TOKEN_CLOSE_SQUARE: + case GTK_CSS_TOKEN_CLOSE_CURLY: + case GTK_CSS_TOKEN_COMMA: + case GTK_CSS_TOKEN_COLON: + case GTK_CSS_TOKEN_SEMICOLON: + case GTK_CSS_TOKEN_CDC: + case GTK_CSS_TOKEN_CDO: + case GTK_CSS_TOKEN_INCLUDE_MATCH: + case GTK_CSS_TOKEN_DASH_MATCH: + case GTK_CSS_TOKEN_PREFIX_MATCH: + case GTK_CSS_TOKEN_SUFFIX_MATCH: + case GTK_CSS_TOKEN_SUBSTRING_MATCH: + case GTK_CSS_TOKEN_COLUMN: + case GTK_CSS_TOKEN_COMMENT: + case GTK_CSS_TOKEN_IDENT: + case GTK_CSS_TOKEN_AT_KEYWORD: + case GTK_CSS_TOKEN_HASH_UNRESTRICTED: + case GTK_CSS_TOKEN_HASH_ID: + case GTK_CSS_TOKEN_DELIM: + case GTK_CSS_TOKEN_SIGNED_INTEGER: + case GTK_CSS_TOKEN_SIGNLESS_INTEGER: + case GTK_CSS_TOKEN_SIGNED_NUMBER: + case GTK_CSS_TOKEN_SIGNLESS_NUMBER: + case GTK_CSS_TOKEN_BAD_STRING: + case GTK_CSS_TOKEN_BAD_URL: + case GTK_CSS_TOKEN_SIGNED_INTEGER_DIMENSION: + case GTK_CSS_TOKEN_SIGNLESS_INTEGER_DIMENSION: + case GTK_CSS_TOKEN_DIMENSION: + if (out_closing) + *out_closing = GTK_CSS_TOKEN_EOF; + return TRUE; + } +} + gboolean gtk_css_token_is_ident (const GtkCssToken *token, const char *ident) |