Remove unused/duplicate code, add stringNotBlank(str) checks

This commit is contained in:
James Alan Nguyen 2022-05-09 13:53:09 +10:00
parent 1c88e20fa7
commit 77af4fda2a
1 changed files with 62 additions and 69 deletions

View File

@ -39,7 +39,7 @@ enum DivInsFormats {
DIV_INSFORMAT_FF,
};
// Patch data structures
// Reused patch data structures
// SBI and some other OPL containers
struct sbi_t {
@ -56,30 +56,6 @@ struct sbi_t {
FeedConnect;
};
// Adlib Visual Composer BNK
struct bnkop_t {
uint8_t ksl,
multiple,
feedback, // op1 only
attack,
sustain,
eg,
decay,
releaseRate,
totalLevel,
am,
vib,
ksr,
con; // op1 only
};
struct bnktimbre_t {
uint8_t mode,
percVoice;
bnkop_t op[2];
uint8_t wave0,
wave1;
};
static void readSbiOpData(sbi_t& sbi, SafeReader& reader) {
sbi.Mcharacteristics = reader.readC();
sbi.Ccharacteristics = reader.readC();
@ -99,6 +75,10 @@ static inline uint8_t fmDtRegisterToFurnace(uint8_t&& dtNative) {
return (dtNative>=4) ? (7-dtNative) : (dtNative+3);
}
static inline bool stringNotBlank(String& str) {
return str.size() > 0 && str.find_first_not_of(' ') != String::npos;
}
void DivEngine::loadDMP(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath) {
DivInstrument* ins=new DivInstrument;
// this is a ridiculous mess
@ -516,8 +496,8 @@ void DivEngine::loadS3I(SafeReader& reader, std::vector<DivInstrument*>& ret, St
lastError="S3I PCM samples currently not supported.";
logE("S3I PCM samples currently not supported.");
}
ins->name = reader.readString(28);
ins->name = (ins->name.size() == 0) ? stripPath : ins->name;
String insName = reader.readString(28);
ins->name = stringNotBlank(insName) ? insName : stripPath;
int s3i_signature = reader.readI();
@ -548,8 +528,8 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
bool is_6op = (sbi_header == 0x1A504F36); // 6OP\x1A - Freq Monster 801-specific
// 32-byte null terminated instrument name
String patchName = reader.readString(32);
patchName = (patchName.size() == 0) ? stripPath : patchName;
String insName = reader.readString(32);
insName = stringNotBlank(insName) ? insName : stripPath;
auto writeOp = [](sbi_t& sbi, DivInstrumentFM::Operator& opM, DivInstrumentFM::Operator& opC) {
opM.mult = sbi.Mcharacteristics & 0xF;
@ -588,7 +568,7 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
DivInstrumentFM::Operator& opM = ins->fm.op[0];
DivInstrumentFM::Operator& opC = ins->fm.op[1];
ins->fm.ops = 2;
ins->name = patchName;
ins->name = insName;
writeOp(sbi_op12, opM, opC);
ins->fm.alg = (sbi_op12.FeedConnect & 0x1);
ins->fm.fb = ((sbi_op12.FeedConnect >> 1) & 0x7);
@ -614,7 +594,7 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
DivInstrumentFM::Operator& opM4 = ins->fm.op[1];
DivInstrumentFM::Operator& opC4 = ins->fm.op[3];
ins->fm.ops = 4;
ins->name = patchName;
ins->name = insName;
ins->fm.alg = (sbi_op12.FeedConnect & 0x1) | ((sbi_op34.FeedConnect & 0x1) << 1);
ins->fm.fb = ((sbi_op34.FeedConnect >> 1) & 0x7);
writeOp(sbi_op12, opM, opC);
@ -633,7 +613,7 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
DivInstrumentFM::Operator& opC6 = ins->fm.op[1];
ins->type = DIV_INS_OPL;
ins->fm.ops = 2;
ins->name = fmt::sprintf("%s (2op)", patchName);
ins->name = fmt::sprintf("%s (2op)", insName);
writeOp(sbi_op12, opM6, opC6);
ins->fm.alg = (sbi_op12.FeedConnect & 0x1);
ins->fm.fb = ((sbi_op12.FeedConnect >> 1) & 0x7);
@ -649,7 +629,9 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
} catch (EndOfFileException& e) {
lastError="premature end of file";
logE("premature end of file");
delete ins;
if (ins != NULL) {
delete ins;
}
}
}
@ -669,7 +651,7 @@ void DivEngine::loadOPLI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
ins->type = DIV_INS_OPL;
String insName = reader.readString(32);
insName = (insName.size() > 0) ? insName : stripPath;
insName = stringNotBlank(insName) ? insName : stripPath;
ins->name = insName;
reader.seek(7, SEEK_CUR); // skip MIDI params
uint8_t instTypeFlags = reader.readC(); // [0EEEDCBA] - see WOPL/OPLI spec
@ -740,7 +722,9 @@ void DivEngine::loadOPLI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
} catch (EndOfFileException& e) {
lastError="premature end of file";
logE("premature end of file");
delete ins;
if (ins != NULL) {
delete ins;
}
}
}
@ -763,7 +747,7 @@ void DivEngine::loadOPNI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
ins->fm.ops = 4;
String insName = reader.readString(32);
ins->name = (insName.size() > 0) ? insName : stripPath;
ins->name = stringNotBlank(insName) ? insName : stripPath;
if (!reader.seek(3, SEEK_CUR)) { // skip MIDI params
throw EndOfFileException(&reader, reader.tell() + 3);
}
@ -805,7 +789,9 @@ void DivEngine::loadOPNI(SafeReader& reader, std::vector<DivInstrument*>& ret, S
} catch (EndOfFileException& e) {
lastError="premature end of file";
logE("premature end of file");
delete ins;
if (ins != NULL) {
delete ins;
}
}
}
@ -848,7 +834,9 @@ void DivEngine::loadY12(SafeReader& reader, std::vector<DivInstrument*>& ret, St
} catch (EndOfFileException& e) {
lastError="premature end of file";
logE("premature end of file");
delete ins;
if (ins != NULL) {
delete ins;
}
}
}
@ -884,7 +872,7 @@ void DivEngine::loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, St
throw EndOfFileException(&reader, data_offset);
};
// Read until EOF
// Read until all patches have been accounted for.
for (int i = 0; i < insCount; ++i) {
DivInstrument *ins = new DivInstrument;
@ -900,10 +888,9 @@ void DivEngine::loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, St
for (int i = 0; i < 2; ++i) {
ins->fm.op[i].ksl = reader.readC();
ins->fm.op[i].mult = reader.readC();
uint8_t fb = reader.readC();
if (i==0) {
ins->fm.fb = reader.readC();
} else {
reader.readC(); // skip
ins->fm.fb = fb;
}
ins->fm.op[i].ar = reader.readC();
ins->fm.op[i].sl = reader.readC();
@ -914,26 +901,25 @@ void DivEngine::loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, St
ins->fm.op[i].am = reader.readC();
ins->fm.op[i].vib = reader.readC();
ins->fm.op[i].ksr = reader.readC();
uint8_t alg = (reader.readC() == 0) ? 1 : 0;
if (i==0) {
ins->fm.alg = (reader.readC() == 0) ? 1 : 0;
} else {
reader.readC(); // skip
ins->fm.alg = alg;
}
}
ins->fm.op[0].ws = reader.readC();
ins->fm.op[1].ws = reader.readC();
ins->name = instNames[i]->length() > 0 ? (*instNames[i]) : fmt::sprintf("%s[%d]", stripPath, i);
ins->name = stringNotBlank(*instNames[i]) ? (*instNames[i]) : fmt::sprintf("%s[%d]", stripPath, i);
insList.push_back(ins);
++readCount;
}
// All data read, don't care about the rest.
reader.seek(0, SEEK_END);
} catch (EndOfFileException& e) {
lastError="premature end of file";
logE("premature end of file");
for (int i = readCount - 1; i >= 0; --i) {
for (int i = 0; i < readCount; ++i) {
delete insList[i];
}
is_failed = true;
@ -951,7 +937,7 @@ void DivEngine::loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, St
}
}
for (auto& name : instNames) {
for (String* name : instNames) {
delete name;
}
}
@ -1016,6 +1002,7 @@ void DivEngine::loadFF(SafeReader& reader, std::vector<DivInstrument*>& ret, Str
} catch (EndOfFileException& e) {
lastError="premature end of file";
logE("premature end of file");
// Include incomplete entry in deletion.
for (int i = readCount; i >= 0; --i) {
delete insList[i];
}
@ -1032,7 +1019,7 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
int readCount = 0;
bool is_failed = false;
auto readInstrument = [](SafeReader& reader, bool readRegB4) -> DivInstrument* {
auto readInstrument = [&](SafeReader& reader, bool readRegB4) -> DivInstrument* {
const int opOrder[] = { 0,1,2,3 };
DivInstrument* ins = new DivInstrument;
ins->type = DIV_INS_FM;
@ -1085,6 +1072,8 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
ins->fm.fms = reg & 0x7;
ins->fm.ams = ((reg >> 4) & 0x3);
}
insList.push_back(ins);
++readCount;
return ins;
} catch (...) {
@ -1093,6 +1082,11 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
throw;
}
};
auto readInstrumentName = [&](SafeReader& reader, DivInstrument* ins) {
uint8_t nameLen = reader.readC();
String insName = (nameLen>0) ? reader.readString(nameLen) : "";
ins->name = stringNotBlank(insName) ? insName : fmt::sprintf("%s [%d]", stripPath, readCount - 1);
};
try {
reader.seek(0, SEEK_SET);
@ -1123,9 +1117,8 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
for (int i = 0; i < (insMelodyCount+insDrumCount); ++i) {
bool isDrum = (i >= insMelodyCount);
DivInstrument* newIns = readInstrument(reader, (version == 2));
insList.push_back(newIns);
++readCount;
// Additional data
reader.readC(); // skip transpose
if (version == 2) {
reader.readC(); // skip padding
@ -1134,9 +1127,7 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
// Instrument name
for (int i = 0; i < (insMelodyCount+insDrumCount); ++i) {
uint8_t nameLen = reader.readC();
String insName = (nameLen > 0) ? reader.readString(nameLen) : fmt::sprintf("%s [%d]", stripPath, readCount);
insList[i]->name = insName;
readInstrumentName(reader, insList[i]);
}
// Map to note assignment currently not supported.
@ -1161,23 +1152,22 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
for (int i = 0; i < insCount; ++i) {
uint16_t patchPos = reader.tell();
uint16_t patchSize = reader.readS();
DivInstrument* newIns = readInstrument(reader, true);
insList.push_back(newIns);
++readCount;
// Additional data
reader.readC(); // skip transpose
uint8_t additionalDataFlags = reader.readC() & 0x1; // skip additional data bitfield
// TODO if chord notes attached, skip this
// if chord notes attached, skip this
if ((additionalDataFlags&1) > 0) {
uint8_t notes = reader.readC();
for (int j = 0; j < notes; ++j) {
reader.readC();
}
}
uint8_t nameLen = reader.readC();
String insName = (nameLen > 0) ? reader.readString(nameLen) : fmt::sprintf("%s [%d]", stripPath, readCount++);
newIns->name = insName;
// Instrument Name
readInstrumentName(reader, insList[i]);
}
}
reader.seek(0, SEEK_END);
@ -1186,9 +1176,6 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
} catch (EndOfFileException& e) {
lastError = "premature end of file";
logE("premature end of file");
for (int i = readCount - 1; i >= 0; --i) {
delete insList[i];
}
is_failed = true;
} catch (std::invalid_argument& e) {
@ -1204,6 +1191,10 @@ void DivEngine::loadGYB(SafeReader& reader, std::vector<DivInstrument*>& ret, St
ret.push_back(insList[i]);
}
}
} else {
for (int i = 0; i < readCount; ++i) {
delete insList[i];
}
}
}
@ -1261,6 +1252,7 @@ void DivEngine::loadOPM(SafeReader& reader, std::vector<DivInstrument*>& ret, St
try {
reader.seek(0, SEEK_SET);
while (!reader.isEOF()) {
// Checking line prefixes since they sometimes may not have a space after the ':'
size_t linePos = reader.tell();
String token = reader.readStringToken();
if (token.size() == 0) {
@ -1285,14 +1277,13 @@ void DivEngine::loadOPM(SafeReader& reader, std::vector<DivInstrument*>& ret, St
// must absolutely be properly grouped per patch! See inline comments indicating line structure examples.
if (token.size() >= 2) {
// Checking line prefixes since they sometimes may not have a space after the ':'
if (token[0] == '@') {
// @:123 Name of patch
seekGroupValStart(reader, linePos);
// Note: Fallback to bank filename and current patch number specified by @n
String opmPatchNum = reader.readStringToken();
newPatch->name = reader.readStringLine();
newPatch->name = newPatch->name.size() > 0 ? newPatch->name : fmt::sprintf("%s @%s", stripPath, opmPatchNum);
String insName = reader.readStringLine();
newPatch->name = stringNotBlank(insName) ? insName : fmt::sprintf("%s @%s", stripPath, opmPatchNum);
patchNameRead = true;
} else if (token.compare(0,3,"CH:") == 0) {
@ -1337,8 +1328,10 @@ void DivEngine::loadOPM(SafeReader& reader, std::vector<DivInstrument*>& ret, St
// Furnace patches do not store these as they are chip-global.
reader.readStringLine();
lfoRead = true;
} else {
// other unsupported lines ignored.
reader.readStringLine();
}
// other unsupported lines ignored.
}
if (completePatchRead()) {