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Add file load callback (fixes #667) #668

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Merged
danmar merged 2 commits into from
Jul 1, 2026
Merged

Add file load callback (fixes #667) #668

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ed258b7
Add file load callback
glankk Jul 1, 2026
e3aabd1
Add set_load_callback function
glankk Jul 1, 2026
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3 changes: 3 additions & 0 deletions simplecpp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3155,6 +3155,9 @@ std::pair<simplecpp::FileData *, bool> simplecpp::FileDataCache::tryload(FileDat
mImpl->mIdMap.emplace(fileId, data);
mData.emplace_back(data);

if (mLoadCallback)
mLoadCallback(*data);

return {data, true};
}

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8 changes: 8 additions & 0 deletions simplecpp.h
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Expand Up @@ -9,6 +9,7 @@
#include <cctype>
#include <cstdint>
#include <cstring>
#include <functional>
#include <iosfwd>
#include <list>
#include <map>
Expand Down Expand Up @@ -498,6 +499,12 @@ namespace simplecpp {
return mData.cend();
}

using load_callback_type = std::function<void (FileData &)>;

void set_load_callback(load_callback_type cb) {
mLoadCallback = std::move(cb);
}

private:
struct Impl;
std::unique_ptr<Impl> mImpl;
Expand All @@ -508,6 +515,7 @@ namespace simplecpp {

container_type mData;
name_map_type mNameMap;
load_callback_type mLoadCallback;
};

/** Converts character literal (including prefix, but not ud-suffix) to long long value.
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