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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MINIKIN_CSS_PARSE_H
#define MINIKIN_CSS_PARSE_H
#include <map>
#include <string>
namespace android {
enum CssTag {
unknown,
fontScaleX,
fontSize,
fontSkewX,
fontStyle,
fontWeight,
cssLang,
letterSpacing,
minikinBidi,
minikinHinting,
minikinVariant,
paintFlags,
};
const std::string cssTagNames[] = {
"unknown",
"font-scale-x",
"font-size",
"font-skew-x",
"font-style",
"font-weight",
"lang",
"letter-spacing",
"-minikin-bidi",
"-minikin-hinting",
"-minikin-variant",
"-paint-flags",
};
class CssValue {
public:
enum Type {
UNKNOWN,
DOUBLE,
STRING
};
enum Units {
SCALAR,
PERCENT,
PX,
EM
};
CssValue() : mType(UNKNOWN) { }
explicit CssValue(double v) :
mType(DOUBLE), doubleValue(v), mUnits(SCALAR) { }
Type getType() const { return mType; }
double getDoubleValue() const { return doubleValue; }
int32_t getIntValue() const { return doubleValue; }
uint32_t getUintValue() const { return doubleValue; }
std::string getStringValue() const { return stringValue; }
std::string toString(CssTag tag) const;
void setDoubleValue(double v) {
mType = DOUBLE;
doubleValue = v;
}
void setStringValue(const std::string& v) {
mType = STRING;
stringValue = v;
}
private:
Type mType;
double doubleValue;
std::string stringValue;
Units mUnits;
};
class CssProperties {
public:
bool parse(const std::string& str);
bool hasTag(CssTag tag) const;
CssValue value(CssTag tag) const;
// primarily for debugging
std::string toString() const;
private:
// We'll use STL map for now but can replace it with something
// more efficient if needed
std::map<CssTag, CssValue> mMap;
};
} // namespace android
#endif // MINIKIN_CSS_PARSE_H
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