From 5f47593e78ab1fb0d0adf24c6cfa1fbae0a36e1a Mon Sep 17 00:00:00 2001 From: John Mark Bell Date: Wed, 27 May 2009 00:01:19 +0000 Subject: Split out page-related property parsers. svn path=/trunk/libcss/; revision=7564 --- src/parse/properties/Makefile | 2 +- src/parse/properties/page.c | 269 ++++++++++++++++++++++++++++++++++++++ src/parse/properties/properties.c | 255 ------------------------------------ 3 files changed, 270 insertions(+), 256 deletions(-) create mode 100644 src/parse/properties/page.c (limited to 'src/parse') diff --git a/src/parse/properties/Makefile b/src/parse/properties/Makefile index 1c40134..f050db8 100644 --- a/src/parse/properties/Makefile +++ b/src/parse/properties/Makefile @@ -1,4 +1,4 @@ # Sources -DIR_SOURCES := aural.c background.c border_outline.c font.c generated_list.c margin.c padding.c positioning.c properties.c utils.c +DIR_SOURCES := aural.c background.c border_outline.c font.c generated_list.c margin.c padding.c page.c positioning.c properties.c utils.c include build/makefiles/Makefile.subdir diff --git a/src/parse/properties/page.c b/src/parse/properties/page.c new file mode 100644 index 0000000..f997276 --- /dev/null +++ b/src/parse/properties/page.c @@ -0,0 +1,269 @@ +/* + * This file is part of LibCSS. + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2009 John-Mark Bell + */ + +#include + +#include "bytecode/bytecode.h" +#include "bytecode/opcodes.h" +#include "parse/properties/properties.h" +#include "parse/properties/utils.h" + +css_error parse_orphans(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + css_error error; + const css_token *token; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + css_fixed num = 0; + uint32_t required_size; + + /* | IDENT (inherit) */ + token = parserutils_vector_iterate(vector, ctx); + if (token == NULL || (token->type != CSS_TOKEN_IDENT && + token->type != CSS_TOKEN_NUMBER)) + return CSS_INVALID; + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + if (token->ilower == c->strings[INHERIT]) { + flags |= FLAG_INHERIT; + } else if (token->type == CSS_TOKEN_NUMBER) { + size_t consumed = 0; + num = number_from_lwc_string(token->ilower, true, &consumed); + /* Invalid if there are trailing characters */ + if (consumed != lwc_string_length(token->ilower)) + return CSS_INVALID; + + /* Negative values are nonsensical */ + if (num < 0) + return CSS_INVALID; + + value = ORPHANS_SET; + } else + return CSS_INVALID; + + opv = buildOPV(CSS_PROP_ORPHANS, flags, value); + + required_size = sizeof(opv); + if ((flags & FLAG_INHERIT) == false && value == ORPHANS_SET) + required_size += sizeof(num); + + /* 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 == ORPHANS_SET) { + memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), + &num, sizeof(num)); + } + + return CSS_OK; +} + +css_error parse_page_break_after(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + css_error error; + const css_token *ident; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + + /* IDENT (auto, always, avoid, left, right, inherit) */ + ident = parserutils_vector_iterate(vector, ctx); + if (ident == NULL || ident->type != CSS_TOKEN_IDENT) + return CSS_INVALID; + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + if (ident->ilower == c->strings[INHERIT]) { + flags |= FLAG_INHERIT; + } else if (ident->ilower == c->strings[AUTO]) { + value = PAGE_BREAK_AFTER_AUTO; + } else if (ident->ilower == c->strings[ALWAYS]) { + value = PAGE_BREAK_AFTER_ALWAYS; + } else if (ident->ilower == c->strings[AVOID]) { + value = PAGE_BREAK_AFTER_AVOID; + } else if (ident->ilower == c->strings[LEFT]) { + value = PAGE_BREAK_AFTER_LEFT; + } else if (ident->ilower == c->strings[RIGHT]) { + value = PAGE_BREAK_AFTER_RIGHT; + } else + return CSS_INVALID; + + opv = buildOPV(CSS_PROP_PAGE_BREAK_AFTER, flags, value); + + /* Allocate result */ + error = css_stylesheet_style_create(c->sheet, sizeof(opv), result); + if (error != CSS_OK) + return error; + + /* Copy the bytecode to it */ + memcpy((*result)->bytecode, &opv, sizeof(opv)); + + return CSS_OK; +} + +css_error parse_page_break_before(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + css_error error; + const css_token *ident; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + + /* IDENT (auto, always, avoid, left, right, inherit) */ + ident = parserutils_vector_iterate(vector, ctx); + if (ident == NULL || ident->type != CSS_TOKEN_IDENT) + return CSS_INVALID; + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + if (ident->ilower == c->strings[INHERIT]) { + flags |= FLAG_INHERIT; + } else if (ident->ilower == c->strings[AUTO]) { + value = PAGE_BREAK_BEFORE_AUTO; + } else if (ident->ilower == c->strings[ALWAYS]) { + value = PAGE_BREAK_BEFORE_ALWAYS; + } else if (ident->ilower == c->strings[AVOID]) { + value = PAGE_BREAK_BEFORE_AVOID; + } else if (ident->ilower == c->strings[LEFT]) { + value = PAGE_BREAK_BEFORE_LEFT; + } else if (ident->ilower == c->strings[RIGHT]) { + value = PAGE_BREAK_BEFORE_RIGHT; + } else + return CSS_INVALID; + + opv = buildOPV(CSS_PROP_PAGE_BREAK_BEFORE, flags, value); + + /* Allocate result */ + error = css_stylesheet_style_create(c->sheet, sizeof(opv), result); + if (error != CSS_OK) + return error; + + /* Copy the bytecode to it */ + memcpy((*result)->bytecode, &opv, sizeof(opv)); + + return CSS_OK; +} + +css_error parse_page_break_inside(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + css_error error; + const css_token *ident; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + + /* IDENT (auto, avoid, inherit) */ + ident = parserutils_vector_iterate(vector, ctx); + if (ident == NULL || ident->type != CSS_TOKEN_IDENT) + return CSS_INVALID; + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + if (ident->ilower == c->strings[INHERIT]) { + flags |= FLAG_INHERIT; + } else if (ident->ilower == c->strings[AUTO]) { + value = PAGE_BREAK_INSIDE_AUTO; + } else if (ident->ilower == c->strings[AVOID]) { + value = PAGE_BREAK_INSIDE_AVOID; + } else + return CSS_INVALID; + + opv = buildOPV(CSS_PROP_PAGE_BREAK_INSIDE, flags, value); + + /* Allocate result */ + error = css_stylesheet_style_create(c->sheet, sizeof(opv), result); + if (error != CSS_OK) + return error; + + /* Copy the bytecode to it */ + memcpy((*result)->bytecode, &opv, sizeof(opv)); + + return CSS_OK; +} + +css_error parse_widows(css_language *c, + const parserutils_vector *vector, int *ctx, + css_style **result) +{ + css_error error; + const css_token *token; + uint8_t flags = 0; + uint16_t value = 0; + uint32_t opv; + css_fixed num = 0; + uint32_t required_size; + + /* | IDENT (inherit) */ + token = parserutils_vector_iterate(vector, ctx); + if (token == NULL || (token->type != CSS_TOKEN_IDENT && + token->type != CSS_TOKEN_NUMBER)) + return CSS_INVALID; + + error = parse_important(c, vector, ctx, &flags); + if (error != CSS_OK) + return error; + + if (token->ilower == c->strings[INHERIT]) { + flags |= FLAG_INHERIT; + } else if (token->type == CSS_TOKEN_NUMBER) { + size_t consumed = 0; + num = number_from_lwc_string(token->ilower, true, &consumed); + /* Invalid if there are trailing characters */ + if (consumed != lwc_string_length(token->ilower)) + return CSS_INVALID; + + /* Negative values are nonsensical */ + if (num < 0) + return CSS_INVALID; + + value = WIDOWS_SET; + } else + return CSS_INVALID; + + opv = buildOPV(CSS_PROP_WIDOWS, flags, value); + + required_size = sizeof(opv); + if ((flags & FLAG_INHERIT) == false && value == WIDOWS_SET) + required_size += sizeof(num); + + /* 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 == WIDOWS_SET) { + memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), + &num, sizeof(num)); + } + + return CSS_OK; +} + diff --git a/src/parse/properties/properties.c b/src/parse/properties/properties.c index 5b8f186..345377c 100644 --- a/src/parse/properties/properties.c +++ b/src/parse/properties/properties.c @@ -1334,66 +1334,6 @@ css_error parse_min_width(css_language *c, return CSS_OK; } -css_error parse_orphans(css_language *c, - const parserutils_vector *vector, int *ctx, - css_style **result) -{ - css_error error; - const css_token *token; - uint8_t flags = 0; - uint16_t value = 0; - uint32_t opv; - css_fixed num = 0; - uint32_t required_size; - - /* | IDENT (inherit) */ - token = parserutils_vector_iterate(vector, ctx); - if (token == NULL || (token->type != CSS_TOKEN_IDENT && - token->type != CSS_TOKEN_NUMBER)) - return CSS_INVALID; - - error = parse_important(c, vector, ctx, &flags); - if (error != CSS_OK) - return error; - - if (token->ilower == c->strings[INHERIT]) { - flags |= FLAG_INHERIT; - } else if (token->type == CSS_TOKEN_NUMBER) { - size_t consumed = 0; - num = number_from_lwc_string(token->ilower, true, &consumed); - /* Invalid if there are trailing characters */ - if (consumed != lwc_string_length(token->ilower)) - return CSS_INVALID; - - /* Negative values are nonsensical */ - if (num < 0) - return CSS_INVALID; - - value = ORPHANS_SET; - } else - return CSS_INVALID; - - opv = buildOPV(CSS_PROP_ORPHANS, flags, value); - - required_size = sizeof(opv); - if ((flags & FLAG_INHERIT) == false && value == ORPHANS_SET) - required_size += sizeof(num); - - /* 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 == ORPHANS_SET) { - memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), - &num, sizeof(num)); - } - - return CSS_OK; -} - css_error parse_overflow(css_language *c, const parserutils_vector *vector, int *ctx, css_style **result) @@ -1439,141 +1379,6 @@ css_error parse_overflow(css_language *c, return CSS_OK; } -css_error parse_page_break_after(css_language *c, - const parserutils_vector *vector, int *ctx, - css_style **result) -{ - css_error error; - const css_token *ident; - uint8_t flags = 0; - uint16_t value = 0; - uint32_t opv; - - /* IDENT (auto, always, avoid, left, right, inherit) */ - ident = parserutils_vector_iterate(vector, ctx); - if (ident == NULL || ident->type != CSS_TOKEN_IDENT) - return CSS_INVALID; - - error = parse_important(c, vector, ctx, &flags); - if (error != CSS_OK) - return error; - - if (ident->ilower == c->strings[INHERIT]) { - flags |= FLAG_INHERIT; - } else if (ident->ilower == c->strings[AUTO]) { - value = PAGE_BREAK_AFTER_AUTO; - } else if (ident->ilower == c->strings[ALWAYS]) { - value = PAGE_BREAK_AFTER_ALWAYS; - } else if (ident->ilower == c->strings[AVOID]) { - value = PAGE_BREAK_AFTER_AVOID; - } else if (ident->ilower == c->strings[LEFT]) { - value = PAGE_BREAK_AFTER_LEFT; - } else if (ident->ilower == c->strings[RIGHT]) { - value = PAGE_BREAK_AFTER_RIGHT; - } else - return CSS_INVALID; - - opv = buildOPV(CSS_PROP_PAGE_BREAK_AFTER, flags, value); - - /* Allocate result */ - error = css_stylesheet_style_create(c->sheet, sizeof(opv), result); - if (error != CSS_OK) - return error; - - /* Copy the bytecode to it */ - memcpy((*result)->bytecode, &opv, sizeof(opv)); - - return CSS_OK; -} - -css_error parse_page_break_before(css_language *c, - const parserutils_vector *vector, int *ctx, - css_style **result) -{ - css_error error; - const css_token *ident; - uint8_t flags = 0; - uint16_t value = 0; - uint32_t opv; - - /* IDENT (auto, always, avoid, left, right, inherit) */ - ident = parserutils_vector_iterate(vector, ctx); - if (ident == NULL || ident->type != CSS_TOKEN_IDENT) - return CSS_INVALID; - - error = parse_important(c, vector, ctx, &flags); - if (error != CSS_OK) - return error; - - if (ident->ilower == c->strings[INHERIT]) { - flags |= FLAG_INHERIT; - } else if (ident->ilower == c->strings[AUTO]) { - value = PAGE_BREAK_BEFORE_AUTO; - } else if (ident->ilower == c->strings[ALWAYS]) { - value = PAGE_BREAK_BEFORE_ALWAYS; - } else if (ident->ilower == c->strings[AVOID]) { - value = PAGE_BREAK_BEFORE_AVOID; - } else if (ident->ilower == c->strings[LEFT]) { - value = PAGE_BREAK_BEFORE_LEFT; - } else if (ident->ilower == c->strings[RIGHT]) { - value = PAGE_BREAK_BEFORE_RIGHT; - } else - return CSS_INVALID; - - opv = buildOPV(CSS_PROP_PAGE_BREAK_BEFORE, flags, value); - - /* Allocate result */ - error = css_stylesheet_style_create(c->sheet, sizeof(opv), result); - if (error != CSS_OK) - return error; - - /* Copy the bytecode to it */ - memcpy((*result)->bytecode, &opv, sizeof(opv)); - - return CSS_OK; -} - -css_error parse_page_break_inside(css_language *c, - const parserutils_vector *vector, int *ctx, - css_style **result) -{ - css_error error; - const css_token *ident; - uint8_t flags = 0; - uint16_t value = 0; - uint32_t opv; - - /* IDENT (auto, avoid, inherit) */ - ident = parserutils_vector_iterate(vector, ctx); - if (ident == NULL || ident->type != CSS_TOKEN_IDENT) - return CSS_INVALID; - - error = parse_important(c, vector, ctx, &flags); - if (error != CSS_OK) - return error; - - if (ident->ilower == c->strings[INHERIT]) { - flags |= FLAG_INHERIT; - } else if (ident->ilower == c->strings[AUTO]) { - value = PAGE_BREAK_INSIDE_AUTO; - } else if (ident->ilower == c->strings[AVOID]) { - value = PAGE_BREAK_INSIDE_AVOID; - } else - return CSS_INVALID; - - opv = buildOPV(CSS_PROP_PAGE_BREAK_INSIDE, flags, value); - - /* Allocate result */ - error = css_stylesheet_style_create(c->sheet, sizeof(opv), result); - if (error != CSS_OK) - return error; - - /* Copy the bytecode to it */ - memcpy((*result)->bytecode, &opv, sizeof(opv)); - - return CSS_OK; -} - css_error parse_quotes(css_language *c, const parserutils_vector *vector, int *ctx, css_style **result) @@ -2223,66 +2028,6 @@ css_error parse_white_space(css_language *c, return CSS_OK; } -css_error parse_widows(css_language *c, - const parserutils_vector *vector, int *ctx, - css_style **result) -{ - css_error error; - const css_token *token; - uint8_t flags = 0; - uint16_t value = 0; - uint32_t opv; - css_fixed num = 0; - uint32_t required_size; - - /* | IDENT (inherit) */ - token = parserutils_vector_iterate(vector, ctx); - if (token == NULL || (token->type != CSS_TOKEN_IDENT && - token->type != CSS_TOKEN_NUMBER)) - return CSS_INVALID; - - error = parse_important(c, vector, ctx, &flags); - if (error != CSS_OK) - return error; - - if (token->ilower == c->strings[INHERIT]) { - flags |= FLAG_INHERIT; - } else if (token->type == CSS_TOKEN_NUMBER) { - size_t consumed = 0; - num = number_from_lwc_string(token->ilower, true, &consumed); - /* Invalid if there are trailing characters */ - if (consumed != lwc_string_length(token->ilower)) - return CSS_INVALID; - - /* Negative values are nonsensical */ - if (num < 0) - return CSS_INVALID; - - value = WIDOWS_SET; - } else - return CSS_INVALID; - - opv = buildOPV(CSS_PROP_WIDOWS, flags, value); - - required_size = sizeof(opv); - if ((flags & FLAG_INHERIT) == false && value == WIDOWS_SET) - required_size += sizeof(num); - - /* 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 == WIDOWS_SET) { - memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), - &num, sizeof(num)); - } - - return CSS_OK; -} - css_error parse_width(css_language *c, const parserutils_vector *vector, int *ctx, css_style **result) -- cgit v1.2.3