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/**
@file stringutils.cpp
@maintainer Morgan McGuire, http://graphics.cs.williams.edu
@created 2000-09-09
@edited 2008-01-10
*/
#include "G3D/platform.h"
#include "G3D/stringutils.h"
#include "G3D/BinaryInput.h"
#include <algorithm>
namespace G3D {
#ifdef _MSC_VER
// disable: "C++ exception handler used"
# pragma warning (push)
# pragma warning (disable : 4530)
#endif
#ifdef G3D_WIN32
const char* NEWLINE = "\r\n";
#else
const char* NEWLINE = "\n";
static bool iswspace(int ch) { return (ch==' ' || ch=='\t' || ch=='\n' || ch=='\r'); }
#endif
void parseCommaSeparated(const std::string s, Array<std::string>& array, bool stripQuotes) {
array.fastClear();
if (s == "") {
return;
}
size_t begin = 0;
const char delimiter = ',';
const char quote = '\"';
do {
size_t end = begin;
// Find the next comma, or the end of the string
bool inQuotes = false;
while ((end < s.length()) && (inQuotes || (s[end] != delimiter))) {
if (s[end] == quote) {
if ((end < s.length() - 2) && (s[end + 1] == quote) && (s[end + 2]) == quote) {
// Skip over the superquote
end += 2;
}
inQuotes = ! inQuotes;
}
++end;
}
array.append(s.substr(begin, end - begin));
begin = end + 1;
} while (begin < s.length());
if (stripQuotes) {
for (int i = 0; i < array.length(); ++i) {
std::string& t = array[i];
int L = t.length();
if ((L > 1) && (t[0] == quote) && (t[L - 1] == quote)) {
if ((L > 6) && (t[1] == quote) && (t[2] == quote) && (t[L - 3] == quote) && (t[L - 2] == quote)) {
// Triple-quote
t = t.substr(3, L - 6);
} else {
// Double-quote
t = t.substr(1, L - 2);
}
}
}
}
}
bool beginsWith(
const std::string& test,
const std::string& pattern) {
if (test.size() >= pattern.size()) {
for (int i = 0; i < (int)pattern.size(); ++i) {
if (pattern[i] != test[i]) {
return false;
}
}
return true;
} else {
return false;
}
}
bool endsWith(
const std::string& test,
const std::string& pattern) {
if (test.size() >= pattern.size()) {
int te = test.size() - 1;
int pe = pattern.size() - 1;
for (int i = pattern.size() - 1; i >= 0; --i) {
if (pattern[pe - i] != test[te - i]) {
return false;
}
}
return true;
} else {
return false;
}
}
std::string wordWrap(
const std::string& input,
int numCols) {
std::string output;
size_t c = 0;
int len;
// Don't make lines less than this length
int minLength = numCols / 4;
size_t inLen = input.size();
bool first = true;
while (c < inLen) {
if (first) {
first = false;
} else {
output += NEWLINE;
}
if ((int)inLen - (int)c - 1 < numCols) {
// The end
output += input.substr(c, inLen - c);
break;
}
len = numCols;
// Look at character c + numCols, see if it is a space.
while ((len > minLength) &&
(input[c + len] != ' ')) {
len--;
}
if (len == minLength) {
// Just crop
len = numCols;
}
output += input.substr(c, len);
c += len;
if (c < input.size()) {
// Collapse multiple spaces.
while ((input[c] == ' ') && (c < input.size())) {
c++;
}
}
}
return output;
}
int stringCompare(
const std::string& s1,
const std::string& s2) {
return stringPtrCompare(&s1, &s2);
}
int stringPtrCompare(
const std::string* s1,
const std::string* s2) {
return s1->compare(*s2);
}
std::string toUpper(const std::string& x) {
std::string result = x;
std::transform(result.begin(), result.end(), result.begin(), toupper);
return result;
}
std::string toLower(const std::string& x) {
std::string result = x;
std::transform(result.begin(), result.end(), result.begin(), tolower);
return result;
}
Array<std::string> stringSplit(
const std::string& x,
char splitChar) {
Array<std::string> out;
// Pointers to the beginning and end of the substring
const char* start = x.c_str();
const char* stop = start;
while ((stop = strchr(start, splitChar))) {
out.append(std::string(start, stop - start));
start = stop + 1;
}
// Append the last one
out.append(std::string(start));
return out;
}
std::string stringJoin(
const Array<std::string>& a,
char joinChar) {
std::string out;
for (int i = 0; i < (int)a.size() - 1; ++i) {
out += a[i] + joinChar;
}
if (a.size() > 0) {
return out + a.last();
} else {
return out;
}
}
std::string stringJoin(
const Array<std::string>& a,
const std::string& joinStr) {
std::string out;
for (int i = 0; i < (int)a.size() - 1; ++i) {
out += a[i] + joinStr;
}
if (a.size() > 0) {
return out + a.last();
} else {
return out;
}
}
std::string trimWhitespace(
const std::string& s) {
size_t left = 0;
// Trim from left
while ((left < s.length()) && iswspace(s[left])) {
++left;
}
int right = s.length() - 1;
// Trim from right
while ((right > (int)left) && iswspace(s[right])) {
--right;
}
return s.substr(left, right - left + 1);
}
}; // namespace
#undef NEWLINE
#ifdef _MSC_VER
# pragma warning (pop)
#endif
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