From 97449b2e23ef5252cb4f766d9215d14e763a0732 Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@netsurf-browser.org>
Date: Sun, 5 Dec 2010 17:22:06 +0000
Subject: Split up properties selectors

svn path=/trunk/libcss/; revision=11011
---
 src/select/properties/voice_family.c | 157 +++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 src/select/properties/voice_family.c

(limited to 'src/select/properties/voice_family.c')

diff --git a/src/select/properties/voice_family.c b/src/select/properties/voice_family.c
new file mode 100644
index 0000000..efe60b4
--- /dev/null
+++ b/src/select/properties/voice_family.c
@@ -0,0 +1,157 @@
+/*
+ * 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 "bytecode/bytecode.h"
+#include "bytecode/opcodes.h"
+#include "select/propset.h"
+#include "select/propget.h"
+#include "utils/utils.h"
+
+#include "select/properties/properties.h"
+#include "select/properties/helpers.h"
+
+css_error cascade_voice_family(uint32_t opv, css_style *style, 
+		css_select_state *state)
+{
+	uint16_t value = 0;
+	lwc_string **voices = NULL;
+	uint32_t n_voices = 0;
+
+	if (isInherit(opv) == false) {
+		uint32_t v = getValue(opv);
+
+		while (v != VOICE_FAMILY_END) {
+			lwc_string *voice = NULL;
+			lwc_string **temp;
+
+			switch (v) {
+			case VOICE_FAMILY_STRING:
+			case VOICE_FAMILY_IDENT_LIST:
+				voice = *((lwc_string **) 
+						style->bytecode);
+				advance_bytecode(style, sizeof(voice));
+				break;
+			case VOICE_FAMILY_MALE:
+				if (value == 0)
+					value = 1;
+				break;
+			case VOICE_FAMILY_FEMALE:
+				if (value == 0)
+					value = 1;
+				break;
+			case VOICE_FAMILY_CHILD:
+				if (value == 0)
+					value = 1;
+				break;
+			}
+
+			/* Only use family-names which occur before the first
+			 * generic-family. Any values which occur after the
+			 * first generic-family are ignored. */
+			/** \todo Do this at bytecode generation time? */
+			if (value == 0 && voice != NULL) {
+				temp = state->result->alloc(voices, 
+					(n_voices + 1) * sizeof(lwc_string *), 
+					state->result->pw);
+				if (temp == NULL) {
+					if (voices != NULL) {
+						state->result->alloc(voices, 0,
+							state->result->pw);
+					}
+					return CSS_NOMEM;
+				}
+
+				voices = temp;
+
+				voices[n_voices] = voice;
+
+				n_voices++;
+			}
+
+			v = *((uint32_t *) style->bytecode);
+			advance_bytecode(style, sizeof(v));
+		}
+	}
+
+	/* Terminate array with blank entry, if needed */
+	if (n_voices > 0) {
+		lwc_string **temp;
+
+		temp = state->result->alloc(voices, 
+				(n_voices + 1) * sizeof(lwc_string *), 
+				state->result->pw);
+		if (temp == NULL) {
+			state->result->alloc(voices, 0, state->result->pw);
+			return CSS_NOMEM;
+		}
+
+		voices = temp;
+
+		voices[n_voices] = NULL;
+	}
+
+	if (outranks_existing(getOpcode(opv), isImportant(opv), state,
+			isInherit(opv))) {
+		/** \todo voice-family */
+		if (n_voices > 0)
+			state->result->alloc(voices, 0, state->result->pw);
+	} else {
+		if (n_voices > 0)
+			state->result->alloc(voices, 0, state->result->pw);
+	}
+
+	return CSS_OK;
+}
+
+css_error set_voice_family_from_hint(const css_hint *hint,
+		css_computed_style *style)
+{
+	UNUSED(hint);
+	UNUSED(style);
+
+	return CSS_OK;
+}
+
+css_error initial_voice_family(css_select_state *state)
+{
+	UNUSED(state);
+
+	return CSS_OK;
+}
+
+css_error compose_voice_family(const css_computed_style *parent,
+		const css_computed_style *child,
+		css_computed_style *result)
+{
+	UNUSED(parent);
+	UNUSED(child);
+	UNUSED(result);
+
+	return CSS_OK;
+}
+
+uint32_t destroy_voice_family(void *bytecode)
+{
+	uint32_t consumed = sizeof(uint32_t);
+	uint32_t value = getValue(*((uint32_t*)bytecode));
+	bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t);
+	
+	while (value != VOICE_FAMILY_END) {
+		if (value == VOICE_FAMILY_STRING || value == VOICE_FAMILY_IDENT_LIST) {
+			lwc_string *str = *((lwc_string **)bytecode);
+			consumed += sizeof(lwc_string*);
+			bytecode = ((uint8_t*)bytecode) + sizeof(lwc_string*);
+			lwc_string_unref(str);
+		}
+		
+		consumed += sizeof(uint32_t);
+		value = *((uint32_t*)bytecode);
+		bytecode = ((uint8_t*)bytecode) + sizeof(uint32_t);
+	}
+	
+	return consumed;
+}
-- 
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