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llama.cpp
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common/regex-partial.h
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Olivier Chafik
`common`: add partial regex support (#12808)
14 май 2025, 21:50
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14 май 2025, 21:50
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#pragma once #include <regex> #include <string> enum common_regex_match_type { COMMON_REGEX_MATCH_TYPE_NONE, COMMON_REGEX_MATCH_TYPE_PARTIAL, COMMON_REGEX_MATCH_TYPE_FULL, }; struct common_string_range { size_t begin; size_t end; common_string_range(size_t begin, size_t end) : begin(begin), end(end) { if (begin > end) { throw std::runtime_error("Invalid range"); } } // prevent default ctor common_string_range() = delete; bool empty() const { return begin == end; } bool operator==(const common_string_range & other) const { return begin == other.begin && end == other.end; } }; struct common_regex_match { common_regex_match_type type = COMMON_REGEX_MATCH_TYPE_NONE; std::vector<common_string_range> groups; bool operator==(const common_regex_match & other) const { return type == other.type && groups == other.groups; } bool operator!=(const common_regex_match & other) const { return !(*this == other); } }; class common_regex { std::string pattern; std::regex rx; std::regex rx_reversed_partial; public: explicit common_regex(const std::string & pattern); common_regex_match search(const std::string & input, size_t pos, bool as_match = false) const; const std::string & str() const { return pattern; } }; // For testing only (pretty print of failures). std::string regex_to_reversed_partial_regex(const std::string & pattern);