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#ifndef _STRINGLIB_H_
#include <map>
#include <vector>
#include <cctype>
#include <string>
// read line in the form of either:
// source
// source ||| target
// source will be returned as a string, target must be a sentence or
// a lattice (in PLF format) and will be returned as a Lattice object
void ParseTranslatorInput(const std::string& line, std::string* input, std::string* ref);
struct Lattice;
void ParseTranslatorInputLattice(const std::string& line, std::string* input, Lattice* ref);
inline const std::string Trim(const std::string& str, const std::string& dropChars = " \t") {
std::string res = str;
res.erase(str.find_last_not_of(dropChars)+1);
return res.erase(0, res.find_first_not_of(dropChars));
}
inline void Tokenize(const std::string& str, char delimiter, std::vector<std::string>* res) {
std::string s = str;
int last = 0;
res->clear();
for (int i=0; i < s.size(); ++i)
if (s[i] == delimiter) {
s[i]=0;
if (last != i) {
res->push_back(&s[last]);
}
last = i + 1;
}
if (last != s.size())
res->push_back(&s[last]);
}
inline std::string LowercaseString(const std::string& in) {
std::string res(in.size(),' ');
for (int i = 0; i < in.size(); ++i)
res[i] = tolower(in[i]);
return res;
}
inline int CountSubstrings(const std::string& str, const std::string& sub) {
size_t p = 0;
int res = 0;
while (p < str.size()) {
p = str.find(sub, p);
if (p == std::string::npos) break;
++res;
p += sub.size();
}
return res;
}
inline int SplitOnWhitespace(const std::string& in, std::vector<std::string>* out) {
out->clear();
int i = 0;
int start = 0;
std::string cur;
while(i < in.size()) {
if (in[i] == ' ' || in[i] == '\t') {
if (i - start > 0)
out->push_back(in.substr(start, i - start));
start = i + 1;
}
++i;
}
if (i > start)
out->push_back(in.substr(start, i - start));
return out->size();
}
inline void SplitCommandAndParam(const std::string& in, std::string* cmd, std::string* param) {
cmd->clear();
param->clear();
std::vector<std::string> x;
SplitOnWhitespace(in, &x);
if (x.size() == 0) return;
*cmd = x[0];
for (int i = 1; i < x.size(); ++i) {
if (i > 1) { *param += " "; }
*param += x[i];
}
}
void ProcessAndStripSGML(std::string* line, std::map<std::string, std::string>* out);
#endif
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