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author | Vincent Sanders <vince@netsurf-browser.org> | 2011-01-02 23:20:31 +0000 |
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committer | Vincent Sanders <vince@netsurf-browser.org> | 2011-01-02 23:20:31 +0000 |
commit | f3cf0f579347a16120df8fc1c1ec3cd1f4e6d44e (patch) | |
tree | 4b98d88fc719198ebfa28f37a58fb61e8bddfcb8 /src/parse/properties/border.c | |
parent | 606cf0251feacadcaa63191a643dc8fc57a7c613 (diff) | |
download | libcss-f3cf0f579347a16120df8fc1c1ec3cd1f4e6d44e.tar.gz libcss-f3cf0f579347a16120df8fc1c1ec3cd1f4e6d44e.tar.bz2 |
simple properties split in parse similar to select in preparation for future generation
svn path=/trunk/libcss/; revision=11188
Diffstat (limited to 'src/parse/properties/border.c')
-rw-r--r-- | src/parse/properties/border.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/parse/properties/border.c b/src/parse/properties/border.c new file mode 100644 index 0000000..b90ca66 --- /dev/null +++ b/src/parse/properties/border.c @@ -0,0 +1,109 @@ +/* + * 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 <assert.h> +#include <string.h> + +#include "bytecode/bytecode.h" +#include "bytecode/opcodes.h" +#include "parse/properties/properties.h" +#include "parse/properties/utils.h" + +/** + * Parse border shorthand + * + * \param c Parsing context + * \param vector Vector of tokens to process + * \param ctx Pointer to vector iteration context + * \param result Pointer to location to receive resulting style + * \return CSS_OK on success, + * CSS_NOMEM on memory exhaustion, + * CSS_INVALID if the input is not valid + * + * Post condition: \a *ctx is updated with the next token to process + * If the input is invalid, then \a *ctx remains unchanged. + */ +css_error parse_border(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + int orig_ctx = *ctx; + css_style *top = NULL; + css_style *right = NULL; + css_style *bottom = NULL; + css_style *left = NULL; + css_style *ret = NULL; + uint32_t required_size; + css_error error; + + error = parse_border_side(c, vector, ctx, BORDER_SIDE_TOP, &top); + if (error != CSS_OK) + goto cleanup; + + *ctx = orig_ctx; + error = parse_border_side(c, vector, ctx, BORDER_SIDE_RIGHT, &right); + if (error != CSS_OK) + goto cleanup; + + *ctx = orig_ctx; + error = parse_border_side(c, vector, ctx, BORDER_SIDE_BOTTOM, &bottom); + if (error != CSS_OK) + goto cleanup; + + *ctx = orig_ctx; + error = parse_border_side(c, vector, ctx, BORDER_SIDE_LEFT, &left); + if (error != CSS_OK) + goto cleanup; + + required_size = top->length + right->length + + bottom->length + left->length; + + error = css_stylesheet_style_create(c->sheet, required_size, &ret); + if (error != CSS_OK) + goto cleanup; + + required_size = 0; + + memcpy(((uint8_t *) ret->bytecode) + required_size, + top->bytecode, top->length); + required_size += top->length; + + memcpy(((uint8_t *) ret->bytecode) + required_size, + right->bytecode, right->length); + required_size += right->length; + + memcpy(((uint8_t *) ret->bytecode) + required_size, + bottom->bytecode, bottom->length); + required_size += bottom->length; + + memcpy(((uint8_t *) ret->bytecode) + required_size, + left->bytecode, left->length); + required_size += left->length; + + assert(required_size == ret->length); + + *result = ret; + ret = NULL; + + /* Clean up after ourselves */ +cleanup: + if (top) + css_stylesheet_style_destroy(c->sheet, top, error == CSS_OK); + if (right) + css_stylesheet_style_destroy(c->sheet, right, error == CSS_OK); + if (bottom) + css_stylesheet_style_destroy(c->sheet, bottom, error == CSS_OK); + if (left) + css_stylesheet_style_destroy(c->sheet, left, error == CSS_OK); + if (ret) + css_stylesheet_style_destroy(c->sheet, ret, error == CSS_OK); + + if (error != CSS_OK) + *ctx = orig_ctx; + + return error; +} |