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author | John Mark Bell <jmb@netsurf-browser.org> | 2009-05-26 23:51:51 +0000 |
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committer | John Mark Bell <jmb@netsurf-browser.org> | 2009-05-26 23:51:51 +0000 |
commit | ddb2f8e02ffc37999e7d32e70591778055844d1b (patch) | |
tree | e802c94411b135cefd8ad11975b9970a9d14d811 /src/parse/properties/padding.c | |
parent | 01ec9614ec99baf3887f75eef9decb7c2dea7219 (diff) | |
download | libcss-ddb2f8e02ffc37999e7d32e70591778055844d1b.tar.gz libcss-ddb2f8e02ffc37999e7d32e70591778055844d1b.tar.bz2 |
Split out margin and padding property parsers.
svn path=/trunk/libcss/; revision=7562
Diffstat (limited to 'src/parse/properties/padding.c')
-rw-r--r-- | src/parse/properties/padding.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/parse/properties/padding.c b/src/parse/properties/padding.c new file mode 100644 index 0000000..e17e114 --- /dev/null +++ b/src/parse/properties/padding.c @@ -0,0 +1,115 @@ +/* + * This file is part of LibCSS. + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org> + */ + +#include <string.h> + +#include "bytecode/bytecode.h" +#include "bytecode/opcodes.h" +#include "parse/properties/properties.h" +#include "parse/properties/utils.h" + +static inline css_error parse_padding_side(css_language *c, + const parserutils_vector *vector, int *ctx, + uint16_t op, css_style **result); + +css_error parse_padding_bottom(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + return parse_padding_side(c, vector, ctx, + CSS_PROP_PADDING_BOTTOM, result); +} + +css_error parse_padding_left(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + return parse_padding_side(c, vector, ctx, + CSS_PROP_PADDING_LEFT, result); +} + +css_error parse_padding_right(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + return parse_padding_side(c, vector, ctx, + CSS_PROP_PADDING_RIGHT, result); +} + +css_error parse_padding_top(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + return parse_padding_side(c, vector, ctx, + CSS_PROP_PADDING_TOP, result); +} + +css_error parse_padding_side(css_language *c, + const parserutils_vector *vector, int *ctx, + uint16_t op, css_style **result) +{ + css_error error; + const css_token *token; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + css_fixed length = 0; + uint32_t unit = 0; + uint32_t required_size; + + /* length | percentage | IDENT(inherit) */ + token = parserutils_vector_peek(vector, *ctx); + if (token == NULL) + return CSS_INVALID; + + if (token->type == CSS_TOKEN_IDENT && + token->ilower == c->strings[INHERIT]) { + parserutils_vector_iterate(vector, ctx); + flags = FLAG_INHERIT; + } else { + error = parse_unit_specifier(c, vector, ctx, UNIT_PX, + &length, &unit); + if (error != CSS_OK) + return error; + + if (unit & UNIT_ANGLE || unit & UNIT_TIME || unit & UNIT_FREQ) + return CSS_INVALID; + + /* Negative lengths are invalid */ + if (length < 0) + return CSS_INVALID; + + value = PADDING_SET; + } + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + opv = buildOPV(op, flags, value); + + required_size = sizeof(opv); + if ((flags & FLAG_INHERIT) == false && value == PADDING_SET) + required_size += sizeof(length) + sizeof(unit); + + /* Allocate result */ + error = css_stylesheet_style_create(c->sheet, required_size, result); + if (error != CSS_OK) + return error; + + /* Copy the bytecode to it */ + memcpy((*result)->bytecode, &opv, sizeof(opv)); + if ((flags & FLAG_INHERIT) == false && value == PADDING_SET) { + memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), + &length, sizeof(length)); + memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv) + + sizeof(length), &unit, sizeof(unit)); + } + + return CSS_OK; +} + |