I don't like git
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// license: cc0
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#include <iostream>
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#include <string>
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#include <cstdio>
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#include <vector>
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#include <stdint.h>
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class char32 {
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uint32_t fetch32(char** cstr) {
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uint32_t r(0);
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int i(1);
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unsigned char compare = (unsigned char)**cstr;
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if (compare >> 3 == 0b11110) i = 4;
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if (compare >> 4 == 0b1110) i = 3;
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if (compare >> 5 == 0b110) i = 2;
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for (;i>0;i--) {
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r <<= 8;
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r += (unsigned char)**cstr;
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(*cstr)++;
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}
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return r;
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}
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public:
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uint32_t c;
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char32(uint32_t i) {c = i;}
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char32(const char* s) {c = fetch32((char**)&s);}
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char32(char** s) {c = fetch32(s);}
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bool operator==(char* cs) {return c==fetch32(&cs);}
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bool operator==(char32 cs) {return c==cs.c;}
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uint32_t operator>>(int a) const {return c>>a;}
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char* toChar() const {
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return new char[4]{(char)(c>>24), (char)(c>>16), (char)(c>>8), (char)c};
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}
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};
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std::ostream& operator<<(std::ostream& stream, const char32& c32) {
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char* asChar = c32.toChar();
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for (int i(0);i<4;i++)
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if (asChar[i])
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stream << asChar[i];
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delete asChar;
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return stream;
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}
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struct string32 {
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std::vector<char32> cs;
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string32(char* sd) {
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while (sd[0])
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cs.push_back(char32(&sd));
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}
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int size() const {return cs.size();}
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char32 operator[](int i) const {return cs[i];}
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void replace(string32 find, string32 with) {
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int havematched(0);
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int findsize = find.cs.size();
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for (int index(0); index < cs.size(); index++) {
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if (cs.at(index) == find.cs.at(havematched))
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havematched++;
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else
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havematched=0;
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if (havematched == findsize) {
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index -= findsize-1;
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cs.erase(cs.begin()+index, cs.begin()+index+findsize);
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cs.insert(cs.begin()+index, with.cs.begin(), with.cs.end());
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break;
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}
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}
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}
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};
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std::ostream& operator<<(std::ostream& stream, const string32& s32) {
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for (int i=0;i<s32.size();i++)
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stream << s32[i];
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return stream;
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}
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