daniel
f3be4d8cce
capture.h realtime seam split to capture_realtime_shell.h; GetProjExtState grow-loop rehomed to core/wire/ext_state_read; stale persist.cpp/bank_panel.cpp comment refs fixed; CLAUDE.md persist/bank_book/actions bullets updated. Command-id suffixes, display phrases, and undo labels byte-identical.
182 lines
8.0 KiB
C++
182 lines
8.0 KiB
C++
#include "core/capture/capture_paths.h"
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#include <cassert>
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#include <cctype>
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#include <filesystem>
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namespace reasampler::capture {
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// The content-identity hashes (hashBytes / hashWavContent) moved to wav_codec
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// (Q-W3, audit §4e) — one pure owner of the RIFF chunk walk, shared with the
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// layout parse so hashing and decoding cannot desynchronize.
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std::string normalizeSlashes(const std::string& path) {
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std::string out = path;
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for (char& c : out) {
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if (c == '\\') c = '/';
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}
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// Strip a single trailing slash so joins do not double up. Preserve a lone
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// "/" (root) — stripping it would turn root into empty.
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if (out.size() > 1 && out.back() == '/') {
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out.pop_back();
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}
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#ifdef _WIN32
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// Windows paths are case-insensitive. Fold to lowercase so that two paths
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// that differ only in drive-letter or component casing compare equal (e.g.
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// "C:/Foo/BAR.wav" == "c:/foo/bar.wav"). On macOS/Linux, exact case is
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// preserved (the filesystem is case-sensitive; folding would be wrong).
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for (char& c : out) c = static_cast<char>(std::tolower(static_cast<unsigned char>(c)));
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#endif
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return out;
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}
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std::string sanitizeStem(const std::string& baseName) {
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std::string out;
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out.reserve(baseName.size());
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for (unsigned char c : baseName) {
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const bool keep = (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
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(c >= '0' && c <= '9') || c == '.' || c == '_' ||
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c == '-';
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out.push_back(keep ? static_cast<char>(c) : '_');
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}
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// Collapse to a stable default if nothing usable survived (e.g. all spaces).
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// A stem of only separators ('.', '_', '-') is also unhelpful as a name.
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bool hasAlnum = false;
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for (unsigned char c : out) {
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if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
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(c >= '0' && c <= '9')) {
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hasAlnum = true;
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break;
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}
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}
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if (out.empty() || !hasAlnum) {
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return "capture";
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}
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return out;
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}
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BankPaths deriveBankPaths(const std::string& projectDir,
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const std::string& baseName,
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const std::string& uniqueTag) {
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const std::string dir = normalizeSlashes(projectDir);
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std::string stem = sanitizeStem(baseName);
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if (!uniqueTag.empty()) {
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stem += "_" + sanitizeStem(uniqueTag);
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}
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const std::string fileName = stem + ".wav";
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// Precondition: the capture shell must resolve a non-empty project directory
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// before calling this function. An empty projectDir would produce a bare
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// relative "reasampler_bank" path — the silent default-location fallback this
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// tool explicitly forbids. Assert in debug; leave absoluteDir empty in release
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// so any caller that ignores the precondition fails loudly at the render/stat
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// step rather than silently writing to CWD.
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assert(!dir.empty() && "deriveBankPaths: projectDir must not be empty");
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BankPaths p;
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p.fileStem = stem; // stem only — REAPER appends extension
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p.fileName = fileName;
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p.relativePath = std::string(kBankSubfolder) + "/" + fileName;
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// absoluteDir intentionally omits a trailing slash (RENDER_FILE wants the
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// directory itself; RENDER_PATTERN supplies the file name separately).
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// Empty when precondition is violated (dir empty) — caller must not proceed.
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p.absoluteDir = dir.empty() ? std::string{}
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: dir + "/" + kBankSubfolder;
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return p;
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}
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std::string bankRelativeForName(const std::string& fileName) {
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if (fileName.empty()) return {};
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// The SAME expression deriveBankPaths uses for relativePath, kept in one place so
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// the two spellings can never drift (Phase R spelling-consistency invariant).
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return std::string(kBankSubfolder) + "/" + fileName;
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}
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std::string resolveBankFile(const std::string& projectDir,
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const std::string& relativePath) {
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// No default-location fallback (CLAUDE.md invariant): an empty project dir or
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// relative path yields empty, not a bare relative path resolved against CWD.
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if (projectDir.empty() || relativePath.empty()) {
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return {};
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}
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const std::string dir = normalizeSlashes(projectDir);
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const std::string rel = normalizeSlashes(relativePath);
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if (dir.empty() || rel.empty()) {
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return {};
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}
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return dir + "/" + rel;
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}
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std::string projectDirOfRpp(const std::string& rppPath) {
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// An unsaved project reports an empty .rpp path; keep it empty so downstream
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// resolution refuses (no default-location fallback). Mirrors the former persist shell's
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// projectDirOf exactly: parent_path of the .rpp, then normalizeSlashes.
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if (rppPath.empty()) return {};
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std::string dir = std::filesystem::path(rppPath).parent_path().string();
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return normalizeSlashes(dir);
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}
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BankRelocation deriveRelocationPlan(const std::string& oldProjectDir,
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const std::string& newProjectDir) {
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BankRelocation r;
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if (oldProjectDir.empty() || newProjectDir.empty()) {
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return r; // needed=false, empty dirs — nothing to relocate
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}
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const std::string oldDir = normalizeSlashes(oldProjectDir);
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const std::string newDir = normalizeSlashes(newProjectDir);
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r.oldBankDir = oldDir + "/" + kBankSubfolder;
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r.newBankDir = newDir + "/" + kBankSubfolder;
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// A Save (in place) leaves the project dir unchanged — nothing to relocate.
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// Only a Save-As to a different directory needs the bank moved.
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r.needed = (oldDir != newDir);
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return r;
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}
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ProjectTransition classifyProjectTransition(bool sameProjectObject,
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const std::string& lastGuid,
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const std::string& lastPath,
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const std::string& currentGuid,
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const std::string& currentPath) {
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// 1. The GUID is the identity of record and is checked FIRST. A different
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// stored GUID means a genuinely different project is active — Load ITS index.
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// This catches the regression that pointer-primary classification missed:
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// REAPER RECYCLES ReaProject* addresses across close/open, so a reopened /
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// new project can reuse the previous project's address (sameProjectObject ==
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// true) while carrying a different stored GUID. Deciding on the pointer alone
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// then returned NoOp/SaveAsRelocate and the bank never reloaded. The GUID is
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// immune to address recycling, so it leads. Also covers new/unsaved<->saved
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// transitions (one GUID empty, the other not) and switching between two
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// distinct saved projects.
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if (currentGuid != lastGuid) {
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return ProjectTransition::Load;
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}
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// From here currentGuid == lastGuid (they are equal; both may be empty for
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// unsaved projects). The pointer now disambiguates the same-GUID case.
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// 2. Same GUID but a DIFFERENT object is a forked sibling: Save-As copied our
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// GUID onto a distinct project object. Load its (own) index; never relocate.
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// Two unsaved projects (both GUIDs empty, distinct objects) also land here —
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// Load, so switching between them installs the right in-memory state.
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if (!sameProjectObject) {
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return ProjectTransition::Load;
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}
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// 3. Same object AND same GUID with a NEW path is a genuine Save-As (the object
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// identity is proven and the record identity is unchanged — only the .rpp
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// moved). Also the first save of an unsaved project (both GUIDs empty, old
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// path empty): SaveAsRelocate is safe there because deriveRelocationPlan
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// no-ops on the empty old dir (empty-GUID safety preserved) while poll()
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// mints a GUID.
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if (currentPath != lastPath) {
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return ProjectTransition::SaveAsRelocate;
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}
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// 4. Same object, same GUID, same path — Save in place / idle tick.
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return ProjectTransition::NoOp;
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}
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} // namespace reasampler::capture
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