Changeset 10140

Timestamp:

2005-06-17T10:49:44+12:00 (19 years ago)

Author:

kjdon

Message:

added starts_with and ends_with functions

Location:

trunk/gsdl/lib

Files:

• text_t.cpp (modified) (2 diffs)
• text_t.h (modified) (1 diff)

trunk/gsdl/lib/text_t.cpp

@@ -28 +28 @@
 /*
    $Log$
+   Revision 1.25  2005/06/16 22:49:44  kjdon
+   added starts_with and ends_with functions
+
    Revision 1.24  2005/04/07 04:27:18  kjdon
    added some x++ -> ++x changes submitted by Emanuel Dejanu
@@ -660 +663 @@
 }
 
+// checks to see if a text_t starts with the specified prefix
+bool starts_with(const text_t& text, const text_t& prefix) {
+  if (prefix.empty()) return true;
+  if (text.empty() || text.size()<prefix.size()) return false;
+  text_t substring = substr(text.begin(), text.begin()+prefix.size());
+  return substring == prefix;
+}
+// checks to see if a text_t ends with the specified suffix
+bool ends_with(const text_t& text, const text_t& suffix) {
+  if (suffix.empty()) return true;
+  if (text.empty() || text.size() < suffix.size()) return false;
+  text_t substring = substr(text.end()-suffix.size(),text.end());
+  return substring == suffix;
+
+}
 
 

trunk/gsdl/lib/text_t.h

@@ -272 +272 @@
 bool has_unicode_letdig (const text_t &text);
 
+// checks to see if a text_t starts with the specified prefix
+bool starts_with(const text_t& text, const text_t& prefix);
+// checks to see if a text_t ends with the specified suffix
+bool ends_with(const text_t& text, const text_t& suffix);
 
 // conversion classes used for getting information in to and out of