/usr/include/googlepinyin/splparser.h is in libgooglepinyin0-dev 0.1.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2009 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 PINYINIME_INCLUDE_SPLPARSER_H__
#define PINYINIME_INCLUDE_SPLPARSER_H__
#include "./dictdef.h"
#include "./spellingtrie.h"
namespace ime_pinyin {
class SpellingParser {
protected:
const SpellingTrie *spl_trie_;
public:
SpellingParser();
// Given a string, parse it into a spelling id stream.
// If the whole string are sucessfully parsed, last_is_pre will be true;
// if the whole string is not fullly parsed, last_is_pre will return whether
// the last part of the string is a prefix of a full spelling string. For
// example, given string "zhengzhon", "zhon" is not a valid speling, but it is
// the prefix of "zhong".
//
// If splstr starts with a character not in ['a'-z'] (it is a split char),
// return 0.
// Split char can only appear in the middle of the string or at the end.
uint16 splstr_to_idxs(const char *splstr, uint16 str_len, uint16 splidx[],
uint16 start_pos[], uint16 max_size, bool &last_is_pre);
// Similar to splstr_to_idxs(), the only difference is that splstr_to_idxs()
// convert single-character Yunmus into half ids, while this function converts
// them into full ids.
uint16 splstr_to_idxs_f(const char *splstr, uint16 str_len, uint16 splidx[],
uint16 start_pos[], uint16 max_size, bool &last_is_pre);
// Similar to splstr_to_idxs(), the only difference is that this function
// uses char16 instead of char8.
uint16 splstr16_to_idxs(const char16 *splstr, uint16 str_len, uint16 splidx[],
uint16 start_pos[], uint16 max_size, bool &last_is_pre);
// Similar to splstr_to_idxs_f(), the only difference is that this function
// uses char16 instead of char8.
uint16 splstr16_to_idxs_f(const char16 *splstr16, uint16 str_len,
uint16 splidx[], uint16 start_pos[],
uint16 max_size, bool &last_is_pre);
// If the given string is a spelling, return the id, others, return 0.
// If the give string is a single char Yunmus like "A", and the char is
// enabled in ShouZiMu mode, the returned spelling id will be a half id.
// When the returned spelling id is a half id, *is_pre returns whether it
// is a prefix of a full spelling string.
uint16 get_splid_by_str(const char *splstr, uint16 str_len, bool *is_pre);
// If the given string is a spelling, return the id, others, return 0.
// If the give string is a single char Yunmus like "a", no matter the char
// is enabled in ShouZiMu mode or not, the returned spelling id will be
// a full id.
// When the returned spelling id is a half id, *p_is_pre returns whether it
// is a prefix of a full spelling string.
uint16 get_splid_by_str_f(const char *splstr, uint16 str_len, bool *is_pre);
// Splitter chars are not included.
bool is_valid_to_parse(char ch);
// When auto-correction is not enabled, get_splid_by_str() will be called to
// return the single result. When auto-correction is enabled, this function
// will be called to get the results. Auto-correction is not ready.
// full_id_num returns number of full spelling ids.
// is_pre returns whether the given string is the prefix of a full spelling
// string.
// If splstr starts with a character not in [a-zA-Z] (it is a split char),
// return 0.
// Split char can only appear in the middle of the string or at the end.
// The caller should guarantee NULL != splstr && str_len > 0 && NULL != splidx
uint16 get_splids_parallel(const char *splstr, uint16 str_len,
uint16 splidx[], uint16 max_size,
uint16 &full_id_num, bool &is_pre);
};
}
#endif // PINYINIME_INCLUDE_SPLPARSER_H__
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