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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>
*/
#ifndef css_bytecode_bytecode_h_
#define css_bytecode_bytecode_h_
#include <inttypes.h>
#include <stdio.h>
#include <libcss/types.h>
#include <libcss/properties.h>
typedef uint32_t css_code_t;
typedef enum css_properties_e opcode_t;
enum flag {
FLAG_IMPORTANT = (1<<0),
FLAG_INHERIT = (1<<1)
};
typedef enum unit {
UNIT_PX = 0,
UNIT_EX = 1,
UNIT_EM = 2,
UNIT_IN = 3,
UNIT_CM = 4,
UNIT_MM = 5,
UNIT_PT = 6,
UNIT_PC = 7,
UNIT_PCT = (1 << 8),
UNIT_ANGLE = (1 << 9),
UNIT_DEG = (1 << 9) + 0,
UNIT_GRAD = (1 << 9) + 1,
UNIT_RAD = (1 << 9) + 2,
UNIT_TIME = (1 << 10),
UNIT_MS = (1 << 10) + 0,
UNIT_S = (1 << 10) + 1,
UNIT_FREQ = (1 << 11),
UNIT_HZ = (1 << 11) + 0,
UNIT_KHZ = (1 << 11) + 1
} unit;
typedef uint32_t colour;
typedef enum shape {
SHAPE_RECT = 0
} shape;
static inline css_code_t buildOPV(opcode_t opcode, uint8_t flags, uint16_t value)
{
return (opcode & 0x3ff) | (flags << 10) | ((value & 0x3fff) << 18);
}
static inline opcode_t getOpcode(css_code_t OPV)
{
return (OPV & 0x3ff);
}
static inline uint8_t getFlags(css_code_t OPV)
{
return ((OPV >> 10) & 0xff);
}
static inline uint16_t getValue(css_code_t OPV)
{
return (OPV >> 18);
}
static inline bool isImportant(css_code_t OPV)
{
return getFlags(OPV) & 0x1;
}
static inline bool isInherit(css_code_t OPV)
{
return getFlags(OPV) & 0x2;
}
#endif
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