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< a href = "encodingutils_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_BASE_ENCODINGUTILS_H_< / span > < / div >
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< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > < a class = "line" href = "namespace_encoding_utils.html" > 19< / a > < / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespace_encoding_utils.html" > EncodingUtils< / a > {< / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "comment" > // Returns the number of characters of a UTF8-encoded string.< / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > < a class = "line" href = "namespace_encoding_utils.html#ae397adfcdd91726ac01af6fb4e9b8d97" > 22< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "namespace_encoding_utils.html#ae397adfcdd91726ac01af6fb4e9b8d97" > UTF8StrLen< / a > (< span class = "keyword" > const< / span > std::string& utf8_str) {< / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "keywordflow" > if< / span > (utf8_str.empty()) < span class = "keywordflow" > return< / span > 0;< / div >
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< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "keywordflow" > while< / span > (*c != < span class = "charliteral" > ' \0' < / span > ) {< / div >
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< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > // See http://en.wikipedia.org/wiki/UTF-8#Description .< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > x = *c;< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > c += x < 0xC0 ? 1 : x < 0xE0 ? 2 : x < 0xF0 ? 3 : 4;< / div >
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< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > } < span class = "comment" > // namespace EncodingUtils< / span > < / div >
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< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_BASE_ENCODINGUTILS_H_< / span > < / div >
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< div class = "ttc" id = "anamespace_encoding_utils_html_ae397adfcdd91726ac01af6fb4e9b8d97" > < div class = "ttname" > < a href = "namespace_encoding_utils.html#ae397adfcdd91726ac01af6fb4e9b8d97" > EncodingUtils::UTF8StrLen< / a > < / div > < div class = "ttdeci" > int UTF8StrLen(const std::string & utf8_str)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encodingutils_8h_source.html#l00022" > encodingutils.h:22< / a > < / div > < / div >
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