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cssparser: Add gtk_css_parser_try_delim()

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For parsing single code point delimiters. Also port calc() to use this.
This commit is contained in:
Benjamin Otte 2019-04-05 02:57:14 +02:00
parent 23080d47b5
commit 5f3e5a0406
4 changed files with 20 additions and 7 deletions
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8
gtk/gtkcsscalcvalue.c
View File

@ -366,7 +366,7 @@ gtk_css_calc_value_parse_product (GtkCssParser *parser,
if (actual_flags != GTK_CSS_PARSE_NUMBER && !is_number (result))
actual_flags = GTK_CSS_PARSE_NUMBER;
if (_gtk_css_parser_try (parser, "*", TRUE))
if (gtk_css_parser_try_delim (parser, '*'))
{
value = gtk_css_calc_value_parse_product (parser, actual_flags);
if (value == NULL)
@ -379,7 +379,7 @@ gtk_css_calc_value_parse_product (GtkCssParser *parser,
_gtk_css_value_unref (result);
result = temp;
}
else if (_gtk_css_parser_try (parser, "/", TRUE))
else if (gtk_css_parser_try_delim (parser, '/'))
{
value = gtk_css_calc_value_parse_product (parser, GTK_CSS_PARSE_NUMBER);
if (value == NULL)
@ -422,13 +422,13 @@ gtk_css_calc_value_parse_sum (GtkCssParser *parser,
{
GtkCssValue *next, *temp;
if (_gtk_css_parser_try (parser, "+", TRUE))
if (gtk_css_parser_try_delim (parser, '+'))
{
next = gtk_css_calc_value_parse_product (parser, flags);
if (next == NULL)
goto fail;
}
else if (_gtk_css_parser_try (parser, "-", TRUE))
else if (gtk_css_parser_try_delim (parser, '-'))
{
temp = gtk_css_calc_value_parse_product (parser, flags);
if (temp == NULL)

11
gtk/gtkcssparser.c
View File

@ -320,6 +320,17 @@ gtk_css_parser_try_ident (GtkCssParser *parser,
return TRUE;
}
gboolean
gtk_css_parser_try_delim (GtkCssParser *parser,
gunichar delim)
{
if (*parser->data != delim)
return FALSE;
parser->data += 1;
_gtk_css_parser_skip_whitespace (parser);
return TRUE;
}
gboolean
gtk_css_parser_try_token (GtkCssParser *parser,
GtkCssTokenType type)

2
gtk/gtkcssparserprivate.h
View File

@ -79,6 +79,8 @@ gboolean gtk_css_parser_has_function (GtkCssParser *parser
*/
gboolean gtk_css_parser_try_ident (GtkCssParser *parser,
const char *ident);
gboolean gtk_css_parser_try_delim (GtkCssParser *parser,
gunichar delim);
gboolean gtk_css_parser_try_at_keyword (GtkCssParser *parser,
const char *keyword);
gboolean gtk_css_parser_try_token (GtkCssParser *parser,

6
gtk/gtkcssshorthandpropertyimpl.c
View File

@ -155,7 +155,7 @@ parse_border_radius (GtkCssShorthandProperty *shorthand,
for (; i < 4; i++)
x[i] = _gtk_css_value_ref (x[(i - 1) >> 1]);
if (_gtk_css_parser_try (parser, "/", TRUE))
if (gtk_css_parser_try_delim (parser, '/'))
{
for (i = 0; i < 4; i++)
{
@ -293,7 +293,7 @@ parse_border_image (GtkCssShorthandProperty *shorthand,
if (values[1] == NULL)
return FALSE;
if (_gtk_css_parser_try (parser, "/", TRUE))
if (gtk_css_parser_try_delim (parser, '/'))
{
values[2] = _gtk_css_border_value_parse (parser,
GTK_CSS_PARSE_PERCENT
@ -529,7 +529,7 @@ parse_one_background (GtkCssShorthandProperty *shorthand,
values[1] = value;
value = NULL;
if (_gtk_css_parser_try (parser, "/", TRUE) &&
if (gtk_css_parser_try_delim (parser, '/') &&
(value = _gtk_css_bg_size_value_parse (parser)))
{
values[2] = value;