1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
pdf / text_search.cc [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "pdf/text_search.h"
#include <string>
#include <vector>
#include "base/i18n/string_search.h"
#include "pdf/pdfium/pdfium_engine_client.h"
namespace chrome_pdf {
std::vector<PDFiumEngineClient::SearchStringResult> TextSearch(
const std::u16string& needle,
const std::u16string& haystack,
bool case_sensitive) {
base::i18n::RepeatingStringSearch searcher(
/*find_this=*/needle, /*in_this=*/haystack, case_sensitive);
std::vector<PDFiumEngineClient::SearchStringResult> results;
int match_index;
int match_length;
while (searcher.NextMatchResult(match_index, match_length)) {
results.push_back({.start_index = match_index, .length = match_length});
}
return results;
}
} // namespace chrome_pdf