Initial Mangos Three Commit

dep/g3dlite/G3D/stringutils.cpp

@@ -0,0 +1,275 @@
+/**
+ @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