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unicode : improve naming style (#10838)
* unicode : improve naming style ggml-ci * cont [no ci]
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644fd71b44
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08ea539df2
@ -738,7 +738,7 @@ struct llm_tokenizer_wpm_session {
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std::vector<std::string> words(1, "");
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for (const uint32_t cpt : cpts_nfd) {
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const auto flags = unicode_cpt_flags(cpt);
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const auto flags = unicode_cpt_flags_from_cpt(cpt);
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if (flags.is_whitespace) {
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if (words.back().size()) { // finish previous word if any
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102
src/unicode.cpp
102
src/unicode.cpp
@ -71,15 +71,15 @@ uint32_t unicode_cpt_from_utf8(const std::string & utf8, size_t & offset) {
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throw std::invalid_argument("failed to convert utf8 to codepoint");
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}
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//static std::vector<uint16_t> unicode_cpt_to_utf16(uint32_t cp) {
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//static std::vector<uint16_t> unicode_cpt_to_utf16(uint32_t cpt) {
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// std::vector<uint16_t> result;
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// if (/* 0x0000 <= cp && */ cp <= 0xffff) {
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// result.emplace_back(cp);
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// if (/* 0x0000 <= cpt && */ cpt <= 0xffff) {
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// result.emplace_back(cpt);
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// return result;
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// }
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// if (0x10000 <= cp && cp <= 0x10ffff) {
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// result.emplace_back(0xd800 | ((cp - 0x10000) >> 10));
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// result.emplace_back(0xdc00 | ((cp - 0x10000) & 0x03ff));
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// if (0x10000 <= cpt && cpt <= 0x10ffff) {
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// result.emplace_back(0xd800 | ((cpt - 0x10000) >> 10));
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// result.emplace_back(0xdc00 | ((cpt - 0x10000) & 0x03ff));
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// return result;
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// }
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// throw std::invalid_argument("failed to convert codepoint to utf16");
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@ -120,8 +120,8 @@ uint32_t unicode_cpt_from_utf8(const std::string & utf8, size_t & offset) {
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// return result;
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//}
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static std::vector<codepoint_flags> unicode_cpt_flags_array() {
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std::vector<codepoint_flags> cpt_flags(MAX_CODEPOINTS, codepoint_flags::UNDEFINED);
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static std::vector<unicode_cpt_flags> unicode_cpt_flags_array() {
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std::vector<unicode_cpt_flags> cpt_flags(MAX_CODEPOINTS, unicode_cpt_flags::UNDEFINED);
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assert (unicode_ranges_flags.begin()[0].first == 0);
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assert (unicode_ranges_flags.begin()[unicode_ranges_flags.size()-1].first == MAX_CODEPOINTS);
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@ -253,8 +253,8 @@ static std::vector<size_t> unicode_regex_split_custom_gpt2(const std::string & t
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return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : OUT_OF_RANGE;
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};
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auto _get_flags = [&] (const size_t pos) -> codepoint_flags {
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return (offset_ini <= pos && pos < offset_end) ? unicode_cpt_flags(cpts[pos]) : codepoint_flags{};
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auto _get_flags = [&] (const size_t pos) -> unicode_cpt_flags {
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return (offset_ini <= pos && pos < offset_end) ? unicode_cpt_flags_from_cpt(cpts[pos]) : unicode_cpt_flags{};
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};
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size_t _prev_end = offset_ini;
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@ -371,8 +371,8 @@ static std::vector<size_t> unicode_regex_split_custom_llama3(const std::string &
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return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : OUT_OF_RANGE;
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};
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auto _get_flags = [&] (const size_t pos) -> codepoint_flags {
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return (offset_ini <= pos && pos < offset_end) ? unicode_cpt_flags(cpts[pos]) : codepoint_flags{};
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auto _get_flags = [&] (const size_t pos) -> unicode_cpt_flags {
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return (offset_ini <= pos && pos < offset_end) ? unicode_cpt_flags_from_cpt(cpts[pos]) : unicode_cpt_flags{};
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};
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size_t _prev_end = offset_ini;
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@ -572,29 +572,29 @@ static std::vector<size_t> unicode_regex_split_custom(const std::string & text,
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// interface
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//
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std::string unicode_cpt_to_utf8(uint32_t cp) {
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std::string unicode_cpt_to_utf8(uint32_t cpt) {
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std::string result;
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if (/* 0x00 <= cp && */ cp <= 0x7f) {
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result.push_back(cp);
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if (/* 0x00 <= cpt && */ cpt <= 0x7f) {
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result.push_back(cpt);
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return result;
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}
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if (0x80 <= cp && cp <= 0x7ff) {
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result.push_back(0xc0 | ((cp >> 6) & 0x1f));
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result.push_back(0x80 | (cp & 0x3f));
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if (0x80 <= cpt && cpt <= 0x7ff) {
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result.push_back(0xc0 | ((cpt >> 6) & 0x1f));
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result.push_back(0x80 | (cpt & 0x3f));
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return result;
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}
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if (0x800 <= cp && cp <= 0xffff) {
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result.push_back(0xe0 | ((cp >> 12) & 0x0f));
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result.push_back(0x80 | ((cp >> 6) & 0x3f));
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result.push_back(0x80 | (cp & 0x3f));
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if (0x800 <= cpt && cpt <= 0xffff) {
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result.push_back(0xe0 | ((cpt >> 12) & 0x0f));
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result.push_back(0x80 | ((cpt >> 6) & 0x3f));
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result.push_back(0x80 | (cpt & 0x3f));
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return result;
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}
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if (0x10000 <= cp && cp <= 0x10ffff) {
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result.push_back(0xf0 | ((cp >> 18) & 0x07));
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result.push_back(0x80 | ((cp >> 12) & 0x3f));
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result.push_back(0x80 | ((cp >> 6) & 0x3f));
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result.push_back(0x80 | (cp & 0x3f));
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if (0x10000 <= cpt && cpt <= 0x10ffff) {
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result.push_back(0xf0 | ((cpt >> 18) & 0x07));
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result.push_back(0x80 | ((cpt >> 12) & 0x3f));
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result.push_back(0x80 | ((cpt >> 6) & 0x3f));
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result.push_back(0x80 | (cpt & 0x3f));
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return result;
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}
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@ -624,19 +624,19 @@ std::vector<uint32_t> unicode_cpts_from_utf8(const std::string & utf8) {
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return result;
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}
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codepoint_flags unicode_cpt_flags(const uint32_t cp) {
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static const codepoint_flags undef(codepoint_flags::UNDEFINED);
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unicode_cpt_flags unicode_cpt_flags_from_cpt(const uint32_t cpt) {
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static const unicode_cpt_flags undef(unicode_cpt_flags::UNDEFINED);
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static const auto cpt_flags = unicode_cpt_flags_array();
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return cp < cpt_flags.size() ? cpt_flags[cp] : undef;
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return cpt < cpt_flags.size() ? cpt_flags[cpt] : undef;
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}
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codepoint_flags unicode_cpt_flags(const std::string & utf8) {
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static const codepoint_flags undef(codepoint_flags::UNDEFINED);
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unicode_cpt_flags unicode_cpt_flags_from_utf8(const std::string & utf8) {
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static const unicode_cpt_flags undef(unicode_cpt_flags::UNDEFINED);
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if (utf8.empty()) {
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return undef; // undefined
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}
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size_t offset = 0;
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return unicode_cpt_flags(unicode_cpt_from_utf8(utf8, offset));
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return unicode_cpt_flags_from_cpt(unicode_cpt_from_utf8(utf8, offset));
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}
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std::string unicode_byte_to_utf8(uint8_t byte) {
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@ -649,41 +649,41 @@ uint8_t unicode_utf8_to_byte(const std::string & utf8) {
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return map.at(utf8);
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}
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uint32_t unicode_tolower(uint32_t cp) {
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uint32_t unicode_tolower(uint32_t cpt) {
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// binary search
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auto it = std::lower_bound(unicode_map_lowercase.begin(), unicode_map_lowercase.end(), cp,
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auto it = std::lower_bound(unicode_map_lowercase.begin(), unicode_map_lowercase.end(), cpt,
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[](const std::pair<uint32_t, uint32_t> & pair, uint32_t value) {
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return pair.first < value;
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});
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if (it != unicode_map_lowercase.end() && it->first == cp) {
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if (it != unicode_map_lowercase.end() && it->first == cpt) {
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return it->second;
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}
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return cp; // Return the original code point if no lowercase mapping is found
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return cpt; // Return the original code point if no lowercase mapping is found
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}
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std::vector<std::string> unicode_regex_split(const std::string & text, const std::vector<std::string> & regex_exprs) {
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// unicode categories
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static const std::map<std::string, int> k_ucat_enum = {
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{ "\\p{N}", codepoint_flags::NUMBER },
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{ "\\p{L}", codepoint_flags::LETTER },
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{ "\\p{P}", codepoint_flags::PUNCTUATION },
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{ "\\p{N}", unicode_cpt_flags::NUMBER },
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{ "\\p{L}", unicode_cpt_flags::LETTER },
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{ "\\p{P}", unicode_cpt_flags::PUNCTUATION },
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};
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static const std::map<int, int> k_ucat_cpt = {
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{ codepoint_flags::NUMBER, 0xD1 },
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{ codepoint_flags::LETTER, 0xD2 },
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{ codepoint_flags::PUNCTUATION, 0xD3 },
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{ unicode_cpt_flags::NUMBER, 0xD1 },
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{ unicode_cpt_flags::LETTER, 0xD2 },
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{ unicode_cpt_flags::PUNCTUATION, 0xD3 },
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};
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static const std::map<int, std::string> k_ucat_map = {
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{ codepoint_flags::NUMBER, "\x30-\x39" }, // 0-9
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{ codepoint_flags::LETTER, "\x41-\x5A\x61-\x7A" }, // A-Za-z
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{ codepoint_flags::PUNCTUATION, "\x21-\x23\x25-\x2A\x2C-\x2F\x3A-\x3B\x3F-\x40\\\x5B-\\\x5D\x5F\\\x7B\\\x7D" }, // !-#%-*,-/:-;?-@\[-\]_\{\}
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{ unicode_cpt_flags::NUMBER, "\x30-\x39" }, // 0-9
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{ unicode_cpt_flags::LETTER, "\x41-\x5A\x61-\x7A" }, // A-Za-z
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{ unicode_cpt_flags::PUNCTUATION, "\x21-\x23\x25-\x2A\x2C-\x2F\x3A-\x3B\x3F-\x40\\\x5B-\\\x5D\x5F\\\x7B\\\x7D" }, // !-#%-*,-/:-;?-@\[-\]_\{\}
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};
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// compute collapsed codepoints only if needed by at least one regex
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bool need_collapse = false;
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for (auto & regex_expr : regex_exprs) {
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for (const auto & regex_expr : regex_exprs) {
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// search for unicode categories
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for (const auto & ucat : k_ucat_enum) {
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if (std::string::npos != regex_expr.find(ucat.first)) {
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@ -709,7 +709,7 @@ std::vector<std::string> unicode_regex_split(const std::string & text, const std
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continue;
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}
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const auto flags = unicode_cpt_flags(cpts[i]);
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const auto flags = unicode_cpt_flags_from_cpt(cpts[i]);
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if (flags.is_whitespace) {
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//NOTE: C++ std::regex \s does not mach 0x85, Rust and Python regex does.
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@ -725,7 +725,7 @@ std::vector<std::string> unicode_regex_split(const std::string & text, const std
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std::vector<size_t> bpe_offsets = { cpts.size() };
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for (auto & regex_expr : regex_exprs) {
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for (const auto & regex_expr : regex_exprs) {
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// first, see if we have an efficient custom regex implementation
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auto tmp = unicode_regex_split_custom(text, regex_expr, bpe_offsets);
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@ -739,7 +739,7 @@ std::vector<std::string> unicode_regex_split(const std::string & text, const std
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// if a unicode category is used in the regex, we use the collapsed text and replace the unicode category
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// with the corresponding collapsed representation
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bool use_collapsed = false;
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for (auto & ucat : k_ucat_enum) {
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for (const auto & ucat : k_ucat_enum) {
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if (std::string::npos != regex_expr.find(ucat.first)) {
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use_collapsed = true;
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break;
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@ -805,7 +805,7 @@ std::vector<std::string> unicode_regex_split(const std::string & text, const std
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// std::wregex \s does not mach non-ASCII whitespaces, using 0x0B as fallback
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std::wstring wtext(cpts.begin(), cpts.end());
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for (size_t i = 0; i < wtext.size(); ++i) {
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if (wtext[i] > 0x7F && unicode_cpt_flags(wtext[i]).is_whitespace) {
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if (wtext[i] > 0x7F && unicode_cpt_flags_from_cpt(wtext[i]).is_whitespace) {
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wtext[i] = 0x0B;
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}
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}
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@ -4,9 +4,7 @@
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#include <string>
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#include <vector>
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// TODO: prefix all symbols with "llama_"
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struct codepoint_flags {
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struct unicode_cpt_flags {
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enum {
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UNDEFINED = 0x0001,
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NUMBER = 0x0002, // regex: \p{N}
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@ -35,7 +33,7 @@ struct codepoint_flags {
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uint16_t is_nfd : 1;
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// decode from uint16
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inline codepoint_flags(const uint16_t flags=0) {
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inline unicode_cpt_flags(const uint16_t flags = 0) {
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*reinterpret_cast<uint16_t*>(this) = flags;
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}
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@ -50,18 +48,19 @@ struct codepoint_flags {
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size_t unicode_len_utf8(char src);
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std::string unicode_cpt_to_utf8(uint32_t cp);
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std::string unicode_cpt_to_utf8 (uint32_t cpt);
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uint32_t unicode_cpt_from_utf8(const std::string & utf8, size_t & offset);
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std::vector<uint32_t> unicode_cpts_from_utf8(const std::string & utf8);
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std::vector<uint32_t> unicode_cpts_normalize_nfd(const std::vector<uint32_t> & cpts);
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codepoint_flags unicode_cpt_flags(const uint32_t cp);
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codepoint_flags unicode_cpt_flags(const std::string & utf8);
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unicode_cpt_flags unicode_cpt_flags_from_cpt (uint32_t cpt);
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unicode_cpt_flags unicode_cpt_flags_from_utf8(const std::string & utf8);
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std::string unicode_byte_to_utf8(uint8_t byte);
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uint8_t unicode_utf8_to_byte(const std::string & utf8);
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uint32_t unicode_tolower(uint32_t cp);
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uint32_t unicode_tolower(uint32_t cpt);
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std::vector<std::string> unicode_regex_split(const std::string & text, const std::vector<std::string> & regex_exprs);
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