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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you 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 .
*/
// 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;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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