1 files changed, 106 insertions, 0 deletions
diff --git a/tool_src/QvLib/QvString.cpp b/tool_src/QvLib/QvString.cpp
new file mode 100644
index 0000000..a5562a3
--- /dev/null
+++ b/tool_src/QvLib/QvString.cpp
@@ -0,0 +1,106 @@
+#include <QvString.h>
+
+QvString::~QvString()
+{
+    if (string != staticStorage)
+	delete [] string;
+}
+
+void
+QvString::expand(int bySize)
+{
+    int newSize = strlen(string) + bySize + 1;
+
+    if (newSize >= QV_STRING_STATIC_STORAGE_SIZE &&
+	(string == staticStorage || newSize > storageSize)) {
+
+	char *newString = new char[newSize];
+
+	strcpy(newString, string);
+
+	if (string != staticStorage)
+	    delete [] string;
+
+	string      = newString;
+	storageSize = newSize;
+    }
+}
+
+u_long
+QvString::hash(const char *s)
+{
+    u_long	total, shift;
+
+    total = shift = 0;
+    while (*s) {
+	total = total ^ ((*s) << shift);
+	shift+=5;
+	if (shift>24) shift -= 24;
+	s++;
+    }
+
+    return( total );
+}
+
+void
+QvString::makeEmpty(QvBool freeOld)
+{
+    if (string != staticStorage) {
+	if (freeOld)
+	    delete [] string;
+	string = staticStorage;
+    }
+    string[0] = '\0';
+}
+
+QvString &
+QvString::operator =(const char *str)
+{
+    int size = strlen(str) + 1;
+
+    if (str >= string &&
+	str < string + (string != staticStorage ? storageSize :
+			QV_STRING_STATIC_STORAGE_SIZE)) {
+
+	QvString tmp = str;
+	*this = tmp;
+	return *this;
+    }
+
+    if (size < QV_STRING_STATIC_STORAGE_SIZE) {
+	if (string != staticStorage)
+	    makeEmpty();
+    }
+
+    else if (string == staticStorage)
+	string = new char[size];
+
+    else if (size > storageSize) {
+	delete [] string;
+	string = new char[size];
+    }
+
+    strcpy(string, str);
+    storageSize = size;
+    return *this;
+}
+
+QvString &
+QvString::operator +=(const char *str)
+{
+    expand(strlen(str));
+    strcat(string, str);
+    return *this;
+}
+
+int
+operator ==(const QvString &str, const char *s)
+{
+    return (str.string[0] == s[0] && ! strcmp(str.string, s));
+}
+
+int
+operator !=(const QvString &str, const char *s)
+{
+    return (str.string[0] != s[0] || strcmp(str.string, s));
+}