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-rw-r--r--src/parse/properties/font.c555
1 files changed, 0 insertions, 555 deletions
diff --git a/src/parse/properties/font.c b/src/parse/properties/font.c
index af8c19f..c759dde 100644
--- a/src/parse/properties/font.c
+++ b/src/parse/properties/font.c
@@ -306,563 +306,8 @@ cleanup:
return error;
}
-/**
- * Determine if a given font-family ident is reserved
- *
- * \param c Parsing context
- * \param ident IDENT to consider
- * \return True if IDENT is reserved, false otherwise
- */
-static bool font_family_reserved(css_language *c, const css_token *ident)
-{
- bool match;
-
- return (lwc_string_caseless_isequal(
- ident->idata, c->strings[SERIF],
- &match) == lwc_error_ok && match) ||
- (lwc_string_caseless_isequal(
- ident->idata, c->strings[SANS_SERIF],
- &match) == lwc_error_ok && match) ||
- (lwc_string_caseless_isequal(
- ident->idata, c->strings[CURSIVE],
- &match) == lwc_error_ok && match) ||
- (lwc_string_caseless_isequal(
- ident->idata, c->strings[FANTASY],
- &match) == lwc_error_ok && match) ||
- (lwc_string_caseless_isequal(
- ident->idata, c->strings[MONOSPACE],
- &match) == lwc_error_ok && match);
-}
-
-/**
- * Convert a font-family token into a bytecode value
- *
- * \param c Parsing context
- * \param token Token to consider
- * \return Bytecode value
- */
-static uint16_t font_family_value(css_language *c, const css_token *token)
-{
- uint16_t value;
- bool match;
-
- if (token->type == CSS_TOKEN_IDENT) {
- if ((lwc_string_caseless_isequal(
- token->idata, c->strings[SERIF],
- &match) == lwc_error_ok && match))
- value = FONT_FAMILY_SERIF;
- else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[SANS_SERIF],
- &match) == lwc_error_ok && match))
- value = FONT_FAMILY_SANS_SERIF;
- else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[CURSIVE],
- &match) == lwc_error_ok && match))
- value = FONT_FAMILY_CURSIVE;
- else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[FANTASY],
- &match) == lwc_error_ok && match))
- value = FONT_FAMILY_FANTASY;
- else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[MONOSPACE],
- &match) == lwc_error_ok && match))
- value = FONT_FAMILY_MONOSPACE;
- else
- value = FONT_FAMILY_IDENT_LIST;
- } else {
- value = FONT_FAMILY_STRING;
- }
-
- return value;
-}
-
-/**
- * Parse font-family
- *
- * \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_font_family(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- css_error error;
- const css_token *token;
- uint8_t flags = 0;
- uint16_t value = 0;
- uint32_t opv;
- uint32_t required_size = sizeof(opv);
- int temp_ctx = *ctx;
- uint8_t *ptr;
- bool match;
-
- /* [ IDENT+ | STRING ] [ ',' [ IDENT+ | STRING ] ]* | IDENT(inherit)
- *
- * In the case of IDENT+, any whitespace between tokens is collapsed to
- * a single space
- *
- * \todo Mozilla makes the comma optional.
- * Perhaps this is a quirk we should inherit?
- */
-
- /* Pass 1: validate input and calculate space */
- token = parserutils_vector_iterate(vector, &temp_ctx);
- if (token == NULL || (token->type != CSS_TOKEN_IDENT &&
- token->type != CSS_TOKEN_STRING)) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- flags = FLAG_INHERIT;
- } else {
- uint32_t list_size;
-
- value = font_family_value(c, token);
-
- error = comma_list_length(c, vector, &temp_ctx,
- token, font_family_reserved, &list_size);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- required_size += list_size;
- }
-
- opv = buildOPV(CSS_PROP_FONT_FAMILY, flags, value);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, required_size, result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy OPV to bytecode */
- ptr = (*result)->bytecode;
- memcpy(ptr, &opv, sizeof(opv));
- ptr += sizeof(opv);
-
- /* Pass 2: populate bytecode */
- token = parserutils_vector_iterate(vector, ctx);
- if (token == NULL || (token->type != CSS_TOKEN_IDENT &&
- token->type != CSS_TOKEN_STRING)) {
- css_stylesheet_style_destroy(c->sheet, *result, false);
- *result = NULL;
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- /* Nothing to do */
- } else {
- error = comma_list_to_bytecode(c, vector, ctx, token,
- font_family_reserved, font_family_value,
- &ptr);
- if (error != CSS_OK) {
- css_stylesheet_style_destroy(c->sheet, *result, false);
- *result = NULL;
- *ctx = orig_ctx;
- return error;
- }
- /* Write terminator */
- opv = FONT_FAMILY_END;
- memcpy(ptr, &opv, sizeof(opv));
- ptr += sizeof(opv);
- }
- return CSS_OK;
-}
-/**
- * Parse font-size
- *
- * \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_font_size(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- 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;
- bool match;
- /* length | percentage | IDENT(xx-small, x-small, small, medium,
- * large, x-large, xx-large, larger, smaller, inherit) */
- token = parserutils_vector_peek(vector, *ctx);
- if (token == NULL) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- flags = FLAG_INHERIT;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[XX_SMALL],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_XX_SMALL;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[X_SMALL],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_X_SMALL;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[SMALL],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_SMALL;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[MEDIUM],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_MEDIUM;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[LARGE],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_LARGE;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[X_LARGE],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_X_LARGE;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[XX_LARGE],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_XX_LARGE;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[LARGER],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_LARGER;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[SMALLER],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = FONT_SIZE_SMALLER;
- } else {
- error = parse_unit_specifier(c, vector, ctx, UNIT_PX,
- &length, &unit);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- if (unit & UNIT_ANGLE || unit & UNIT_TIME || unit & UNIT_FREQ) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- /* Negative values are not permitted */
- if (length < 0) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- value = FONT_SIZE_DIMENSION;
- }
-
- opv = buildOPV(CSS_PROP_FONT_SIZE, flags, value);
-
- required_size = sizeof(opv);
- if ((flags & FLAG_INHERIT) == false && value == FONT_SIZE_DIMENSION)
- required_size += sizeof(length) + sizeof(unit);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, required_size, result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy the bytecode to it */
- memcpy((*result)->bytecode, &opv, sizeof(opv));
- if ((flags & FLAG_INHERIT) == false && value == FONT_SIZE_DIMENSION) {
- 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;
-}
-
-/**
- * Parse font-style
- *
- * \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_font_style(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- css_error error;
- const css_token *ident;
- uint8_t flags = 0;
- uint16_t value = 0;
- uint32_t opv;
- bool match;
-
- /* IDENT (normal, italic, oblique, inherit) */
- ident = parserutils_vector_iterate(vector, ctx);
- if (ident == NULL || ident->type != CSS_TOKEN_IDENT) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- flags |= FLAG_INHERIT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[NORMAL],
- &match) == lwc_error_ok && match)) {
- value = FONT_STYLE_NORMAL;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[ITALIC],
- &match) == lwc_error_ok && match)) {
- value = FONT_STYLE_ITALIC;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[OBLIQUE],
- &match) == lwc_error_ok && match)) {
- value = FONT_STYLE_OBLIQUE;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_FONT_STYLE, flags, value);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy the bytecode to it */
- memcpy((*result)->bytecode, &opv, sizeof(opv));
-
- return CSS_OK;
-}
-
-/**
- * Parse font-variant
- *
- * \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_font_variant(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- css_error error;
- const css_token *ident;
- uint8_t flags = 0;
- uint16_t value = 0;
- uint32_t opv;
- bool match;
-
- /* IDENT (normal, small-caps, inherit) */
- ident = parserutils_vector_iterate(vector, ctx);
- if (ident == NULL || ident->type != CSS_TOKEN_IDENT) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- flags |= FLAG_INHERIT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[NORMAL],
- &match) == lwc_error_ok && match)) {
- value = FONT_VARIANT_NORMAL;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[SMALL_CAPS],
- &match) == lwc_error_ok && match)) {
- value = FONT_VARIANT_SMALL_CAPS;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_FONT_VARIANT, flags, value);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy the bytecode to it */
- memcpy((*result)->bytecode, &opv, sizeof(opv));
-
- return CSS_OK;
-}
-
-/**
- * Parse font-weight
- *
- * \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_font_weight(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- css_error error;
- const css_token *token;
- uint8_t flags = 0;
- uint16_t value = 0;
- uint32_t opv;
- bool match;
-
- /* NUMBER (100, 200, 300, 400, 500, 600, 700, 800, 900) |
- * IDENT (normal, bold, bolder, lighter, inherit) */
- token = parserutils_vector_iterate(vector, ctx);
- if (token == NULL || (token->type != CSS_TOKEN_IDENT &&
- token->type != CSS_TOKEN_NUMBER)) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if ((lwc_string_caseless_isequal(
- token->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- flags |= FLAG_INHERIT;
- } else if (token->type == CSS_TOKEN_NUMBER) {
- size_t consumed = 0;
- css_fixed num = number_from_lwc_string(token->idata,
- true, &consumed);
- /* Invalid if there are trailing characters */
- if (consumed != lwc_string_length(token->idata)) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- switch (FIXTOINT(num)) {
- case 100: value = FONT_WEIGHT_100; break;
- case 200: value = FONT_WEIGHT_200; break;
- case 300: value = FONT_WEIGHT_300; break;
- case 400: value = FONT_WEIGHT_400; break;
- case 500: value = FONT_WEIGHT_500; break;
- case 600: value = FONT_WEIGHT_600; break;
- case 700: value = FONT_WEIGHT_700; break;
- case 800: value = FONT_WEIGHT_800; break;
- case 900: value = FONT_WEIGHT_900; break;
- default: *ctx = orig_ctx; return CSS_INVALID;
- }
- } else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[NORMAL],
- &match) == lwc_error_ok && match)) {
- value = FONT_WEIGHT_NORMAL;
- } else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[BOLD],
- &match) == lwc_error_ok && match)) {
- value = FONT_WEIGHT_BOLD;
- } else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[BOLDER],
- &match) == lwc_error_ok && match)) {
- value = FONT_WEIGHT_BOLDER;
- } else if ((lwc_string_caseless_isequal(
- token->idata, c->strings[LIGHTER],
- &match) == lwc_error_ok && match)) {
- value = FONT_WEIGHT_LIGHTER;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_FONT_WEIGHT, flags, value);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy the bytecode to it */
- memcpy((*result)->bytecode, &opv, sizeof(opv));
-
- return CSS_OK;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 03:41:59 +0000