Textractor/extensions/regexreplacer.cpp
2022-01-01 22:05:53 -07:00

52 lines
1.6 KiB
C++

#include "extension.h"
#include "module.h"
#include "blockmarkup.h"
#include <fstream>
extern const wchar_t* REGEX_REPLACER_INSTRUCTIONS;
const char* REGEX_REPLACEMENTS_SAVE_FILE = "SavedRegexReplacements.txt";
std::optional<std::wregex> regex;
concurrency::reader_writer_lock m;
BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
{
if (!std::ifstream(REGEX_REPLACEMENTS_SAVE_FILE).good())
{
auto file = std::ofstream(REGEX_REPLACEMENTS_SAVE_FILE, std::ios::binary) << "\xff\xfe";
for (auto ch : std::wstring_view(REGEX_REPLACER_INSTRUCTIONS))
file << (ch == L'\n' ? std::string_view("\r\0\n", 4) : std::string_view((char*)&ch, 2));
_spawnlp(_P_DETACH, "notepad", "notepad", REGEX_REPLACEMENTS_SAVE_FILE, NULL); // show file to user
}
}
break;
case DLL_PROCESS_DETACH:
{
}
break;
}
return TRUE;
}
bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
{
if (!sentenceInfo["current select"] || sentenceInfo["text number"] == 0) return false;
std::ifstream stream(REGEX_REPLACEMENTS_SAVE_FILE, std::ios::binary);
BlockMarkupIterator savedFilters(stream, Array<std::wstring_view>{ L"|REGEX|", L"|BECOMES|" });
concurrency::reader_writer_lock::scoped_lock_read readLock(m);
while (auto read = savedFilters.Next()) {
const auto& [regex, replacement] = read.value();
if (regex == L"") continue;
try { ::regex = regex; }
catch (std::regex_error) { continue; }
sentence = std::regex_replace(sentence, ::regex.value(), replacement);
}
return true;
}