From fe455db71a80f6bd07e30c94b0cfb1ebb3533672 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Tue, 25 Nov 2008 22:42:26 +0000
Subject: speech-rate

svn path=/trunk/libcss/; revision=5790
---
 src/parse/css21.c      |  9 +++++-
 src/parse/css21props.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 80 insertions(+), 5 deletions(-)

diff --git a/src/parse/css21.c b/src/parse/css21.c
index 3659180..7f0bc4c 100644
--- a/src/parse/css21.c
+++ b/src/parse/css21.c
@@ -63,7 +63,8 @@ enum {
 	DECIMAL_LEADING_ZERO, LOWER_ROMAN, UPPER_ROMAN, LOWER_GREEK,
 	LOWER_LATIN, UPPER_LATIN, ARMENIAN, GEORGIAN, LOWER_ALPHA, UPPER_ALPHA,
 	INVERT, VISIBLE, ALWAYS, AVOID, X_LOW, LOW, HIGH, X_HIGH, STATIC,
-	RELATIVE, ABSOLUTE, ONCE, DIGITS, CONTINUOUS, CODE, SPELL_OUT,
+	RELATIVE, ABSOLUTE, ONCE, DIGITS, CONTINUOUS, CODE, SPELL_OUT, X_SLOW,
+	SLOW, FAST, X_FAST, FASTER, SLOWER,
 
 	LAST_KNOWN
 };
@@ -275,6 +276,12 @@ static struct {
 	{ "continuous", SLEN("continuous") },
 	{ "code", SLEN("code") },
 	{ "spell-out", SLEN("spell-out") },
+	{ "x-slow", SLEN("x-slow") },
+	{ "slow", SLEN("slow") },
+	{ "fast", SLEN("fast") },
+	{ "x-fast", SLEN("x-fast") },
+	{ "faster", SLEN("faster") },
+	{ "slower", SLEN("slower") },
 };
 
 typedef struct context_entry {
diff --git a/src/parse/css21props.c b/src/parse/css21props.c
index f62ba54..ea60652 100644
--- a/src/parse/css21props.c
+++ b/src/parse/css21props.c
@@ -3434,10 +3434,78 @@ css_error parse_speech_rate(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;
+	fixed num = 0;
+	uint32_t required_size;
+
+	/* number | IDENT (x-slow, slow, medium, fast, x-fast, faster, slower, 
+	 *                 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->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[INHERIT]) {
+		flags |= FLAG_INHERIT;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[X_SLOW]) {
+		value = SPEECH_RATE_X_SLOW;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[SLOW]) {
+		value = SPEECH_RATE_SLOW;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[MEDIUM]) {
+		value = SPEECH_RATE_MEDIUM;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[FAST]) {
+		value = SPEECH_RATE_FAST;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[X_FAST]) {
+		value = SPEECH_RATE_X_FAST;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[FASTER]) {
+		value = SPEECH_RATE_FASTER;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.ptr == c->strings[SLOWER]) {
+		value = SPEECH_RATE_SLOWER;
+	} else if (token->type == CSS_TOKEN_NUMBER) {
+		size_t consumed = 0;
+		num = number_from_css_string(&token->lower, &consumed);
+		/* Invalid if there are trailing characters */
+		if (consumed != token->lower.len)
+			return CSS_INVALID;
+
+		value = SPEECH_RATE_SET;
+	} else
+		return CSS_INVALID;
+
+	opv = buildOPV(OP_SPEECH_RATE, flags, value);
+
+	required_size = sizeof(opv);
+	if ((flags & FLAG_INHERIT) == false && value == SPEECH_RATE_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 == SPEECH_RATE_SET) {
+		memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), 
+				&num, sizeof(num));
+	}
 
 	return CSS_OK;
 }
-- 
cgit v1.2.3