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convert presets to new format, part 1

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tildearrow 2022-11-13 16:25:50 -05:00
parent fbacfd421c
commit d422372b7f
7 changed files with 154 additions and 73 deletions
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68
src/engine/config.cpp
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@ -19,6 +19,7 @@
#include "config.h"
#include "../ta-log.h"
#include "../baseutils.h"
#include "../fileutils.h"
#include <fmt/printf.h>
@ -48,41 +49,9 @@ String DivConfig::toString() {
return ret;
}
const char* base64Table="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
String DivConfig::toBase64() {
String data=toString();
String ret;
ret.reserve((2+data.size()*4)/3);
unsigned int groupOfThree=0;
unsigned char pos=0;
for (char& i: data) {
groupOfThree|=((unsigned char)i)<<((2-pos)<<3);
if (++pos>=3) {
pos=0;
ret+=base64Table[(groupOfThree>>18)&63];
ret+=base64Table[(groupOfThree>>12)&63];
ret+=base64Table[(groupOfThree>>6)&63];
ret+=base64Table[groupOfThree&63];
groupOfThree=0;
}
}
if (pos==2) {
ret+=base64Table[(groupOfThree>>18)&63];
ret+=base64Table[(groupOfThree>>12)&63];
ret+=base64Table[(groupOfThree>>6)&63];
ret+='=';
} else if (pos==1) {
ret+=base64Table[(groupOfThree>>18)&63];
ret+=base64Table[(groupOfThree>>12)&63];
ret+="==";
}
logV("toBase64: %s",ret);
return ret;
return taEncodeBase64(data);
}
void DivConfig::parseLine(const char* line) {
@ -143,38 +112,7 @@ bool DivConfig::loadFromMemory(const char* buf) {
}
bool DivConfig::loadFromBase64(const char* buf) {
String data;
unsigned int groupOfThree=0;
signed char pos=18;
for (const char* i=buf; *i; i++) {
unsigned char nextVal=0;
if ((*i)=='/') {
nextVal=63;
} else if ((*i)=='+') {
nextVal=62;
} else if ((*i)>='0' && (*i)<='9') {
nextVal=52+((*i)-'0');
} else if ((*i)>='a' && (*i)<='z') {
nextVal=26+((*i)-'a');
} else if ((*i)>='A' && (*i)<='Z') {
nextVal=((*i)-'A');
} else {
nextVal=0;
}
groupOfThree|=nextVal<<pos;
pos-=6;
if (pos<0) {
pos=18;
if ((groupOfThree>>16)&0xff) data+=(groupOfThree>>16)&0xff;
if ((groupOfThree>>8)&0xff) data+=(groupOfThree>>8)&0xff;
if (groupOfThree&0xff) data+=groupOfThree&0xff;
groupOfThree=0;
}
}
logV("fromBase64: %s",data);
String data=taDecodeBase64(buf);
return loadFromMemory(data.c_str());
}