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Merge pull request #295 from v6cord/hex-entities

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Support hex entities in metadata
This commit is contained in:
Terry Cavanagh 2020-06-16 11:11:55 +10:30 committed by GitHub
commit 798268f8a8
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 31 additions and 8 deletions
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12
desktop_version/src/UtilityClass.cpp
View file

@ -209,14 +209,24 @@ void UtilityClass::updateglow()
}
}
bool is_positive_num(const std::string& str)
bool is_positive_num(const std::string& str, bool hex)
{
for (size_t i = 0; i < str.length(); i++)
{
if (hex)
{
if (!std::isxdigit(static_cast<unsigned char>(str[i])))
{
return false;
}
}
else
{
if (!std::isdigit(static_cast<unsigned char>(str[i])))
{
return false;
}
}
}
return true;
}

2
desktop_version/src/UtilityClass.h
View file

@ -11,7 +11,7 @@ std::vector<std::string> split(const std::string &s, char delim, std::vector<std
std::vector<std::string> split(const std::string &s, char delim);
bool is_positive_num(const std::string& str);
bool is_positive_num(const std::string& str, bool hex);
#define INBOUNDS(index, vector) ((int) index >= 0 && (int) index < (int) vector.size())

21
desktop_version/src/editor.cpp
View file

@ -20,6 +20,9 @@
#include <utf8/unchecked.h>
#include <physfs.h>
#include <inttypes.h>
#include <cstdio>
edlevelclass::edlevelclass()
{
tileset=0;
@ -161,16 +164,26 @@ std::string find_tag(const std::string& buf, const std::string& start, const std
size_t start_pos = 0;
while ((start_pos = value.find("&#", start_pos)) != std::string::npos)
{
bool hex = value[start_pos + 2] == 'x';
size_t end = value.find(';', start_pos);
std::string number(value.substr(start_pos + 2, end - start_pos));
size_t real_start = start_pos + 2 + ((int) hex);
std::string number(value.substr(real_start, end - real_start));
if (!is_positive_num(number))
if (!is_positive_num(number, hex))
{
return "";
}
int character = atoi(number.c_str());
int utf32[] = {character, 0};
uint32_t character = 0;
if (hex)
{
sscanf(number.c_str(), "%" SCNx32, &character);
}
else
{
sscanf(number.c_str(), "%" SCNu32, &character);
}
uint32_t utf32[] = {character, 0};
std::string utf8;
utf8::unchecked::utf32to8(utf32, utf32 + 1, std::back_inserter(utf8));
value.replace(start_pos, end - start_pos + 1, utf8);