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// Description:
// Parse a string of features specified as ; separated pairs.
// e.g.
// 1001=1&2002=2&fav1=0
#include <sal/types.h>
#include <rtl/ustring.hxx>
#include <graphite2/Font.h>
namespace grutils
{
union FeatId
gr_uint32 num;
unsigned char label[5];
};
class GrFeatureParser
public:
enum { MAX_FEATURES = 64 };
static const char FEAT_PREFIX;
static const char FEAT_SEPARATOR;
static const char FEAT_ID_VALUE_SEPARATOR;
GrFeatureParser(const gr_face * face, const ::rtl::OString features, const ::rtl::OString lang);
GrFeatureParser(const gr_face * face, const ::rtl::OString lang);
~GrFeatureParser();
//size_t getFontFeatures(gr::FeatureSetting settings[MAX_FEATURES]) const;
bool parseErrors() { return mbErrors; };
//static bool isValid(gr::Font & font, gr::FeatureSetting & setting);
gr_uint32 getLanguage() const { return maLang.num; };
bool hasLanguage() const { return (maLang.label[0] != '\0'); }
sal_Int32 hashCode() const { return mnHash; }
size_t numFeatures() const { return mnNumSettings; }
gr_feature_val * values() const { return mpSettings; };
private:
GrFeatureParser(const GrFeatureParser & copy);
void setLang(const gr_face * face, const ::rtl::OString & lang);
bool isCharId(const ::rtl::OString & id, size_t offset, size_t length);
gr_uint32 getCharId(const ::rtl::OString & id, size_t offset, size_t length);
short getIntValue(const ::rtl::OString & id, size_t offset, size_t length);
size_t mnNumSettings;
FeatId maLang;
bool mbErrors;
sal_uInt32 mnHash;
gr_feature_val * mpSettings;
}
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