tree-sitter/src/compiler/util/string_helpers.cc
2014-07-21 13:20:00 -07:00

51 lines
995 B
C++

#include "compiler/util/string_helpers.h"
#include <vector>
namespace tree_sitter {
namespace util {
using std::string;
using std::vector;
using std::set;
void str_replace(string *input, const string &search, const string &replace) {
size_t pos = 0;
while (1) {
pos = input->find(search, pos);
if (pos == string::npos)
break;
input->erase(pos, search.length());
input->insert(pos, replace);
pos += replace.length();
}
}
string escape_string(string input) {
str_replace(&input, "\"", "\\\"");
str_replace(&input, "\n", "\\n");
return input;
}
string escape_char(char character) {
switch (character) {
case '\0':
return "\\0";
case '"':
return "\\\"";
case '\'':
return "\\'";
case '\n':
return "\\n";
case '\r':
return "\\r";
case '\t':
return "\\t";
case '\\':
return "\\\\";
default:
return string() + character;
}
}
} // namespace util
} // namespace tree_sitter