Changeset 39897 in vbox

Timestamp:

Jan 27, 2012 3:25:44 PM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

75956

Message:

RTCString: Adding count() from QString, implementing one of the three variants.

Location:

trunk

Files:

• include/iprt/cpp/ministring.h (modified) (1 diff)
• src/VBox/Runtime/common/string/ministring.cpp (modified) (1 diff)

trunk/include/iprt/cpp/ministring.h

@@ -688 +688 @@
      * values less than 128; this is not verified.
      *
-     * @param cFind Character to replace. Must be ASCII < 128.
-     * @param cReplace Character to replace cFind with. Must be ASCII < 128.
-     */
-    void findReplace(char cFind, char cReplace);
+     * @param   chFind      Character to replace. Must be ASCII < 128.
+     * @param   chReplace   Character to replace cFind with. Must be ASCII < 128.
+     */
+    void findReplace(char chFind, char chReplace);
+
+    /**
+     * Count the occurences of the specified character in the string.
+     *
+     * @param   ch          What to search for. Must be ASCII < 128.
+     * @remarks QString::count
+     */
+    size_t count(char ch) const;
+
+    /**
+     * Count the occurences of the specified sub-string in the string.
+     *
+     * @param   psz         What to search for.
+     * @param   cs          Case sensitivity selector.
+     * @remarks QString::count
+     */
+    size_t count(const char *psz, CaseSensitivity cs = CaseSensitive) const;
+
+    /**
+     * Count the occurences of the specified sub-string in the string.
+     *
+     * @param   pStr        What to search for.
+     * @param   cs          Case sensitivity selector.
+     * @remarks QString::count
+     */
+    size_t count(const RTCString *pStr, CaseSensitivity cs = CaseSensitive) const;
 
     /**

trunk/src/VBox/Runtime/common/string/ministring.cpp

@@ -216 +216 @@
 }
 
-void RTCString::findReplace(char cFind, char cReplace)
-{
+void RTCString::findReplace(char chFind, char chReplace)
+{
+    Assert((unsigned int)chFind    < 128U);
+    Assert((unsigned int)chReplace < 128U);
+
     for (size_t i = 0; i < length(); ++i)
     {
         char *p = &m_psz[i];
-        if (*p == cFind)
-            *p = cReplace;
-    }
-}
+        if (*p == chFind)
+            *p = chReplace;
+    }
+}
+
+size_t RTCString::count(char ch) const
+{
+    Assert((unsigned int)ch < 128U);
+
+    size_t      c   = 0;
+    const char *psz = m_psz;
+    char        chCur;
+    while ((chCur = *psz++) != '\0')
+        if (chCur == ch)
+            c++;
+    return c;
+}
+
+#if 0  /** @todo implement these when needed. */
+size_t RTCString::count(const char *psz, CaseSensitivity cs = CaseSensitive) const
+{
+}
+
+size_t RTCString::count(const RTCString *pStr, CaseSensitivity cs = CaseSensitive) const
+{
+
+}
+#endif
 
 RTCString RTCString::substrCP(size_t pos /*= 0*/, size_t n /*= npos*/) const