diff options
| -rw-r--r-- | src/parse/css21props.c | 70 |
1 files changed, 66 insertions, 4 deletions
diff --git a/src/parse/css21props.c b/src/parse/css21props.c index 5f3b54e..082f063 100644 --- a/src/parse/css21props.c +++ b/src/parse/css21props.c @@ -1920,10 +1920,72 @@ css_error parse_line_height(css_css21 *c, const parserutils_vector *vector, int *ctx, css_style **result) { - UNUSED(c); - UNUSED(vector); - UNUSED(ctx); - UNUSED(result); + css_error error; + const css_token *token; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + uint32_t length = 0; + uint32_t unit = 0; + uint32_t required_size; + + /* number | length | percentage | IDENT(normal, inherit) */ + token = parserutils_vector_peek(vector, *ctx); + if (token == NULL) + return CSS_INVALID; + + if (token->type == CSS_TOKEN_IDENT && + token->lower.ptr == c->strings[INHERIT]) { + parserutils_vector_iterate(vector, ctx); + flags = FLAG_INHERIT; + } else if (token->type == CSS_TOKEN_IDENT && + token->lower.ptr == c->strings[NORMAL]) { + parserutils_vector_iterate(vector, ctx); + value = LINE_HEIGHT_NORMAL; + } else if (token->type == CSS_TOKEN_NUMBER) { + /** \todo length should be a float */ + size_t consumed = 0; + length = integer_from_css_string(&token->lower, &consumed); + if (consumed != token->lower.len) + return CSS_INVALID; + + value = LINE_HEIGHT_NUMBER; + } else { + error = parse_unit_specifier(c, vector, ctx, &length, &unit); + if (error != CSS_OK) + return error; + + if (unit & UNIT_ANGLE || unit & UNIT_TIME || unit & UNIT_FREQ) + return CSS_INVALID; + + value = LINE_HEIGHT_DIMENSION; + } + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + opv = buildOPV(OP_LINE_HEIGHT, flags, value); + + required_size = sizeof(opv); + if (value == LINE_HEIGHT_NUMBER) + required_size += sizeof(length); + else if (value == LINE_HEIGHT_DIMENSION) + 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 (value == LINE_HEIGHT_NUMBER || value == LINE_HEIGHT_DIMENSION) + memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), + &length, sizeof(length)); + if (value == LINE_HEIGHT_DIMENSION) + memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv) + + sizeof(length), &unit, sizeof(unit)); return CSS_OK; } |