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/*
* This file is part of LibCSS.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2008 John-Mark Bell <jmb@netsurf-browser.org>
*/
#include "bytecode/bytecode.h"
#include "bytecode/opcodes.h"
/**
* Opcode names, indexed by opcode
*/
static const char *opcode_names[] = {
"azimuth",
"background-attachment",
"background-color",
"background-image",
"background-position",
"background-repeat",
"border-collapse",
"border-spacing",
"border-trbl-color",
"border-trbl-style",
"border-trbl-width",
"bottom",
"caption-side",
"clear",
"clip",
"color",
"content",
"counter-increment",
"counter-reset",
"cue-after",
"cue-before",
"cursor",
"direction",
"display",
"elevation",
"empty-cells",
"float",
"font-family",
"font-size",
"font-style",
"font-variant",
"font-weight",
"height",
"left",
"letter-spacing",
"line-height",
"list-style-image",
"list-style-position",
"list-style-type",
"margin-trbl",
"max-height",
"max-width",
"min-height",
"min-width",
"orphans",
"outline-color",
"outline-style",
"outline-width",
"overflow",
"padding-trbl",
"page-break-after",
"page-break-before",
"page-break-inside",
"pause-after",
"pause-before",
"pitch-range",
"pitch",
"play-during",
"position",
"quotes",
"richness",
"right",
"speak-header",
"speak-numeral",
"speak-punctuation",
"speak",
"speech-rate",
"stress",
"table-layout",
"text-align",
"text-decoration",
"text-indent",
"text-transform",
"top",
"unicode-bidi",
"vertical-align",
"visibility",
"voice-family",
"volume",
"white-space",
"widows",
"width",
"word-spacing",
"z-index",
};
/**
* Dump a CSS bytecode stream to the given file handle
*
* \param bytecode The stream to dump
* \param length Length, in bytes, of bytecode
* \param fp File handle to output to
*/
void css_bytecode_dump(void *bytecode, uint32_t length, FILE *fp)
{
uint32_t offset = 0;
#define ADVANCE(n) do { \
offset += (n); \
bytecode = ((uint8_t *) bytecode) + (n); \
} while(0)
while (offset < length) {
opcode op;
uint8_t flags;
uint16_t value;
uint32_t opv = *((uint32_t *) bytecode);
ADVANCE(sizeof(opv));
op = getOpcode(opv);
fprintf(fp, "%s: ", opcode_names[op]);
flags = getFlags(opv);
if (flags & FLAG_INHERIT) {
fprintf(fp, "inherit");
} else {
value = getValue(opv);
switch (op) {
case OP_BACKGROUND_ATTACHMENT:
switch (value) {
case BACKGROUND_ATTACHMENT_FIXED:
fprintf(fp, "fixed");
break;
case BACKGROUND_ATTACHMENT_SCROLL:
fprintf(fp, "scroll");
break;
}
break;
case OP_BACKGROUND_COLOR:
switch (value) {
case BACKGROUND_COLOR_TRANSPARENT:
fprintf(fp, "transparent");
break;
case BACKGROUND_COLOR_SET:
{
uint32_t colour =
*((uint32_t *) bytecode);
ADVANCE(sizeof(colour));
fprintf(fp, "#%08x", colour);
}
break;
}
break;
case OP_BACKGROUND_IMAGE:
switch (value) {
case BACKGROUND_IMAGE_NONE:
fprintf(fp, "none");
break;
case BACKGROUND_IMAGE_URI:
{
parserutils_hash_entry *ptr =
*((parserutils_hash_entry **)
bytecode);
ADVANCE(sizeof(ptr));
fprintf(fp, "url('%.*s')",
(int) ptr->len,
(char *) ptr->data);
}
break;
}
break;
case OP_BACKGROUND_REPEAT:
switch (value) {
case BACKGROUND_REPEAT_NO_REPEAT:
fprintf(fp, "no-repeat");
break;
case BACKGROUND_REPEAT_REPEAT_X:
fprintf(fp, "repeat-x");
break;
case BACKGROUND_REPEAT_REPEAT_Y:
fprintf(fp, "repeat-y");
break;
case BACKGROUND_REPEAT_REPEAT:
fprintf(fp, "repeat");
break;
}
break;
case OP_CLEAR:
switch (value) {
case CLEAR_NONE:
fprintf(fp, "none");
break;
case CLEAR_LEFT:
fprintf(fp, "left");
break;
case CLEAR_RIGHT:
fprintf(fp, "right");
break;
case CLEAR_BOTH:
fprintf(fp, "both");
break;
}
break;
default:
fprintf(fp, "Unknown opcode %x", op);
break;
}
}
if (flags & FLAG_IMPORTANT)
fprintf(fp, " !important");
fprintf(fp, "; ");
}
#undef ADVANCE
}
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