59b516a118
The 3rdparty files are now compiled as part of the corresponding input method, so that the project files can be written without using platform specific linker flags.
97 lines
4.2 KiB
C++
97 lines
4.2 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PINYINIME_INCLUDE_SPLPARSER_H__
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#define PINYINIME_INCLUDE_SPLPARSER_H__
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#include "./dictdef.h"
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#include "./spellingtrie.h"
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namespace ime_pinyin {
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class SpellingParser {
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protected:
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const SpellingTrie *spl_trie_;
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public:
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SpellingParser();
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// Given a string, parse it into a spelling id stream.
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// If the whole string are sucessfully parsed, last_is_pre will be true;
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// if the whole string is not fullly parsed, last_is_pre will return whether
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// the last part of the string is a prefix of a full spelling string. For
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// example, given string "zhengzhon", "zhon" is not a valid speling, but it is
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// the prefix of "zhong".
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//
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// If splstr starts with a character not in ['a'-z'] (it is a split char),
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// return 0.
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// Split char can only appear in the middle of the string or at the end.
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uint16 splstr_to_idxs(const char *splstr, uint16 str_len, uint16 splidx[],
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uint16 start_pos[], uint16 max_size, bool &last_is_pre);
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// Similar to splstr_to_idxs(), the only difference is that splstr_to_idxs()
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// convert single-character Yunmus into half ids, while this function converts
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// them into full ids.
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uint16 splstr_to_idxs_f(const char *splstr, uint16 str_len, uint16 splidx[],
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uint16 start_pos[], uint16 max_size, bool &last_is_pre);
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// Similar to splstr_to_idxs(), the only difference is that this function
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// uses char16 instead of char8.
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uint16 splstr16_to_idxs(const char16 *splstr, uint16 str_len, uint16 splidx[],
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uint16 start_pos[], uint16 max_size, bool &last_is_pre);
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// Similar to splstr_to_idxs_f(), the only difference is that this function
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// uses char16 instead of char8.
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uint16 splstr16_to_idxs_f(const char16 *splstr16, uint16 str_len,
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uint16 splidx[], uint16 start_pos[],
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uint16 max_size, bool &last_is_pre);
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// If the given string is a spelling, return the id, others, return 0.
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// If the give string is a single char Yunmus like "A", and the char is
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// enabled in ShouZiMu mode, the returned spelling id will be a half id.
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// When the returned spelling id is a half id, *is_pre returns whether it
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// is a prefix of a full spelling string.
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uint16 get_splid_by_str(const char *splstr, uint16 str_len, bool *is_pre);
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// If the given string is a spelling, return the id, others, return 0.
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// If the give string is a single char Yunmus like "a", no matter the char
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// is enabled in ShouZiMu mode or not, the returned spelling id will be
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// a full id.
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// When the returned spelling id is a half id, *p_is_pre returns whether it
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// is a prefix of a full spelling string.
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uint16 get_splid_by_str_f(const char *splstr, uint16 str_len, bool *is_pre);
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// Splitter chars are not included.
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bool is_valid_to_parse(char ch);
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// When auto-correction is not enabled, get_splid_by_str() will be called to
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// return the single result. When auto-correction is enabled, this function
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// will be called to get the results. Auto-correction is not ready.
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// full_id_num returns number of full spelling ids.
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// is_pre returns whether the given string is the prefix of a full spelling
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// string.
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// If splstr starts with a character not in [a-zA-Z] (it is a split char),
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// return 0.
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// Split char can only appear in the middle of the string or at the end.
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// The caller should guarantee NULL != splstr && str_len > 0 && NULL != splidx
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uint16 get_splids_parallel(const char *splstr, uint16 str_len,
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uint16 splidx[], uint16 max_size,
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uint16 &full_id_num, bool &is_pre);
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};
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}
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#endif // PINYINIME_INCLUDE_SPLPARSER_H__
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