common: add partial regex support (#12808)

* move string_find_partial_stop & string_ends_with to common

* add common_regex (supports partial matches)

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

* Update common/regex-partial.cpp

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

* Update common/regex-partial.cpp

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

* Update common/regex-partial.h

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

* partial regex: add missing iterator end checks

* string utils: use string_views

* direct throw to avoid ggml.h include

* regex-partial: replace missed ggml_asserts

---------

Co-authored-by: ochafik <ochafik@google.com>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Olivier Chafik 2025-05-14 19:50:57 +01:00 committed by GitHub
parent f5170c1d7a
commit 3198405e98
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8 changed files with 575 additions and 5 deletions

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@ -6,6 +6,7 @@
#include <set>
#include <string>
#include <string_view>
#include <vector>
#include <sstream>
@ -503,10 +504,9 @@ static bool string_starts_with(const std::string & str,
return str.rfind(prefix, 0) == 0;
}
static bool string_ends_with(const std::string & str,
const std::string & suffix) { // While we wait for C++20's std::string::ends_with...
return str.size() >= suffix.size() && str.compare(str.size()-suffix.size(), suffix.size(), suffix) == 0;
}
// While we wait for C++20's std::string::ends_with...
bool string_ends_with(const std::string_view & str, const std::string_view & suffix);
size_t string_find_partial_stop(const std::string_view & str, const std::string_view & stop);
bool string_parse_kv_override(const char * data, std::vector<llama_model_kv_override> & overrides);
void string_process_escapes(std::string & input);