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Dont repeatedly lookup the word iterator

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Kovid Goyal 2021-06-19 14:47:02 +05:30
parent a547ffd26e
commit c75f20a875
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1 changed files with 4 additions and 2 deletions
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6
src/calibre/db/sqlite_extension.cpp
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@ -276,20 +276,22 @@ public:
IteratorDescription state; IteratorDescription state;
state.language = ""; state.script = USCRIPT_COMMON; state.language = ""; state.script = USCRIPT_COMMON;
int32_t start_script_block_at = offset; int32_t start_script_block_at = offset;
auto word_iterator = std::ref(ensure_lang_iterator(state.language));
while (offset < str.length()) { while (offset < str.length()) {
UChar32 ch = str.char32At(offset); UChar32 ch = str.char32At(offset);
if (at_script_boundary(state, ch)) { if (at_script_boundary(state, ch)) {
if (offset > start_script_block_at) { if (offset > start_script_block_at) {
if ((rc = tokenize_script_block( if ((rc = tokenize_script_block(
str, start_script_block_at, offset, str, start_script_block_at, offset,
for_query, callback, callback_ctx, ensure_lang_iterator(state.language))) != SQLITE_OK) return rc; for_query, callback, callback_ctx, word_iterator)) != SQLITE_OK) return rc;
} }
start_script_block_at = offset; start_script_block_at = offset;
word_iterator = ensure_lang_iterator(state.language);
} }
offset = str.moveIndex32(offset, 1); offset = str.moveIndex32(offset, 1);
} }
if (offset > start_script_block_at) { if (offset > start_script_block_at) {
rc = tokenize_script_block(str, start_script_block_at, offset, for_query, callback, callback_ctx, ensure_lang_iterator(state.language)); rc = tokenize_script_block(str, start_script_block_at, offset, for_query, callback, callback_ctx, word_iterator);
} }
return rc; return rc;
} }