added case sensitive and whole words only search

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5455 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/html/helpdata.h

@@ -82,21 +82,22 @@ wxHtmlContentsItem;
 //------------------------------------------------------------------------------
 class WXDLLEXPORT wxSearchEngine : public wxObject
 {
-    private:
-        wxChar *m_Keyword;
-
     public:
         wxSearchEngine() : wxObject() {m_Keyword = NULL; }
         ~wxSearchEngine() {if (m_Keyword) free(m_Keyword); }
 
-        virtual void LookFor(const wxString& keyword);
+        virtual void LookFor(const wxString& keyword, bool case_sensitive, bool whole_words_only);
         // Sets the keyword we will be searching for
 
         virtual bool Scan(wxInputStream *stream);
         // Scans the stream for the keyword.
         // Returns TRUE if the stream contains keyword, fALSE otherwise
-}
+
-;
+    private:
+        wxChar *m_Keyword;
+        bool m_CaseSensitive;
+        bool m_WholeWords;
+};
 
 class wxHtmlHelpData;
 
@@ -111,6 +112,7 @@ class WXDLLEXPORT wxHtmlSearchStatus
         // title of the book to search. By default, all books are searched.
 
         wxHtmlSearchStatus(wxHtmlHelpData* base, const wxString& keyword,
+                           bool case_sensitive, bool whole_words_only,
                            const wxString& book = wxEmptyString);
         bool Search();  // do the next iteration
         bool IsActive() { return m_Active; }

include/wx/html/helpfrm.h

@@ -29,6 +29,7 @@
 #include "wx/listbox.h"
 #include "wx/choice.h"
 #include "wx/combobox.h"
+#include "wx/checkbox.h"
 #include "wx/stattext.h"
 #include "wx/html/htmlwin.h"
 
@@ -198,6 +199,8 @@ class WXDLLEXPORT wxHtmlHelpFrame : public wxFrame
         wxListBox *m_SearchList;
         wxChoice *m_SearchChoice;
         wxStaticText *m_IndexCountInfo;
+        wxCheckBox *m_SearchCaseSensitive;
+        wxCheckBox *m_SearchWholeWords;
 
         wxComboBox *m_Bookmarks;
         wxArrayString m_BookmarksNames, m_BookmarksPages;

src/html/helpdata.cpp

@@ -556,6 +556,7 @@ wxString wxHtmlHelpData::FindPageById(int id)
 //----------------------------------------------------------------------------------
 
 wxHtmlSearchStatus::wxHtmlSearchStatus(wxHtmlHelpData* data, const wxString& keyword,
+                                       bool case_sensitive, bool whole_words_only,
                                        const wxString& book)
 {
     m_Data = data;
@@ -579,7 +580,7 @@ wxHtmlSearchStatus::wxHtmlSearchStatus(wxHtmlHelpData* data, const wxString& key
         m_CurIndex = 0;
         m_MaxIndex = m_Data->m_ContentsCnt;
     }
-    m_Engine.LookFor(keyword);
+    m_Engine.LookFor(keyword, case_sensitive, whole_words_only);
     m_Active = (m_CurIndex < m_MaxIndex);
     m_LastPage = wxEmptyString;
 }
@@ -604,8 +605,7 @@ bool wxHtmlSearchStatus::Search()
     m_ContentsItem = NULL;
     m_Name = wxEmptyString;
 
-    file = fsys.OpenFile(m_Data->m_Contents[i].m_Book -> GetBasePath() +
+    file = fsys.OpenFile(m_Data->m_Contents[i].m_Book -> GetBasePath() + m_Data->m_Contents[i].m_Page);
-                         m_Data->m_Contents[i].m_Page);
     if (file) {
         if (m_LastPage != file->GetLocation()) {
             m_LastPage = file->GetLocation();
@@ -632,18 +632,24 @@ bool wxHtmlSearchStatus::Search()
 // wxSearchEngine
 //--------------------------------------------------------------------------------
 
-void wxSearchEngine::LookFor(const wxString& keyword)
+void wxSearchEngine::LookFor(const wxString& keyword, bool case_sensitive, bool whole_words_only)
 {
+    m_CaseSensitive = case_sensitive;
+    m_WholeWords = whole_words_only;
     if (m_Keyword) delete[] m_Keyword;
     m_Keyword = new wxChar[keyword.Length() + 1];
     wxStrcpy(m_Keyword, keyword.c_str());
-    for (int i = wxStrlen(m_Keyword) - 1; i >= 0; i--)
+    
-        if ((m_Keyword[i] >= wxT('A')) && (m_Keyword[i] <= wxT('Z')))
+    if (!m_CaseSensitive)
-            m_Keyword[i] += wxT('a') - wxT('A');
+        for (int i = wxStrlen(m_Keyword) - 1; i >= 0; i--)
+            if ((m_Keyword[i] >= wxT('A')) && (m_Keyword[i] <= wxT('Z')))
+                m_Keyword[i] += wxT('a') - wxT('A');
 }
 
 
 
+#define WHITESPACE(c)  (c == ' ' || c == '\n' || c == '\r' || c == '\t')
+
 bool wxSearchEngine::Scan(wxInputStream *stream)
 {
     wxASSERT_MSG(m_Keyword != NULL, wxT("wxSearchEngine::LookFor must be called before scanning!"));
@@ -656,13 +662,27 @@ bool wxSearchEngine::Scan(wxInputStream *stream)
     stream -> Read(buf, lng);
     buf[lng] = 0;
 
-    for (i = 0; i < lng; i++)
+    if (!m_CaseSensitive)
-        if ((buf[i] >= 'A') && (buf[i] <= 'Z')) buf[i] += 'a' - 'A';
+        for (i = 0; i < lng; i++)
+            if ((buf[i] >= 'A') && (buf[i] <= 'Z')) buf[i] += 'a' - 'A';
 
-    for (i = 0; i < lng - wrd; i++) {
+    if (m_WholeWords)
-        j = 0;
+    {
-        while ((j < wrd) && (buf[i + j] == m_Keyword[j])) j++;
+        for (i = 0; i < lng - wrd; i++) {
-        if (j == wrd) {found = TRUE; break; }
+            if (WHITESPACE(buf[i])) continue;
+            j = 0;
+            while ((j < wrd) && (buf[i + j] == m_Keyword[j])) j++;
+            if (j == wrd && WHITESPACE(buf[i + j])) {found = TRUE; break; }
+        }
+    }
+    
+    else
+    {
+        for (i = 0; i < lng - wrd; i++) {
+            j = 0;
+            while ((j < wrd) && (buf[i + j] == m_Keyword[j])) j++;
+            if (j == wrd) {found = TRUE; break; }
+        }
     }
 
     delete[] buf;

src/html/helpfrm.cpp

@@ -129,6 +129,9 @@ void wxHtmlHelpFrame::Init(wxHtmlHelpData* data)
     m_NavigPan = NULL;
     m_HtmlWin = NULL;
     m_Bookmarks = NULL;
+    m_SearchCaseSensitive = NULL;
+    m_SearchWholeWords = NULL;
+
     m_Config = NULL;
     m_ConfigRoot = wxEmptyString;
 
@@ -331,9 +334,25 @@ bool wxHtmlHelpFrame::Create(wxWindow* parent, wxWindowID id, const wxString& ti
         b4 -> height.AsIs();
         m_SearchChoice -> SetConstraints(b4);
 
+        wxLayoutConstraints *b5 = new wxLayoutConstraints;
+        m_SearchCaseSensitive = new wxCheckBox(dummy, -1, _("Case sensitive"));
+        b5 -> top.Below (m_SearchButton, 10);
+        b5 -> left.SameAs (dummy, wxLeft, 10);
+        b5 -> right.SameAs (dummy, wxRight, 10);
+        b5 -> height.AsIs ();
+        m_SearchCaseSensitive -> SetConstraints(b5);
+
+        wxLayoutConstraints *b6 = new wxLayoutConstraints;
+        m_SearchWholeWords = new wxCheckBox(dummy, -1, _("Whole words only"));
+        b6 -> top.Below (m_SearchCaseSensitive, 0);
+        b6 -> left.SameAs (dummy, wxLeft, 10);
+        b6 -> right.SameAs (dummy, wxRight, 10);
+        b6 -> height.AsIs ();
+        m_SearchWholeWords -> SetConstraints(b6);
+
         wxLayoutConstraints *b3 = new wxLayoutConstraints;
         m_SearchList = new wxListBox(dummy, wxID_HTML_SEARCHLIST, wxDefaultPosition, wxDefaultSize, 0, NULL, wxLB_SINGLE | wxLB_ALWAYS_SB);
-        b3 -> top.Below (m_SearchButton, 10);
+        b3 -> top.Below (m_SearchWholeWords, 10);
         b3 -> left.SameAs (dummy, wxLeft, 0);
         b3 -> right.SameAs (dummy, wxRight, 0);
         b3 -> bottom.SameAs (dummy, wxBottom, 0);
@@ -434,7 +453,7 @@ bool wxHtmlHelpFrame::KeywordSearch(const wxString& keyword)
     if (! (m_SearchList && m_SearchButton && m_SearchText && m_SearchChoice))
         return FALSE;
 
-    int foundcnt = 0;
+    int foundcnt = 0, curi;
     wxString foundstr;
     wxString book = wxEmptyString;
 
@@ -451,14 +470,17 @@ bool wxHtmlHelpFrame::KeywordSearch(const wxString& keyword)
     if (m_SearchChoice->GetSelection() != 0)
         book = m_SearchChoice->GetStringSelection();
 
-    wxHtmlSearchStatus status(m_Data, keyword, book);
+    wxHtmlSearchStatus status(m_Data, keyword, 
+                              m_SearchCaseSensitive -> GetValue(), m_SearchWholeWords -> GetValue(), 
+                              book);
 
     wxProgressDialog progress(_("Searching..."), _("No matching page found yet"),
                               status.GetMaxIndex(), this,
                               wxPD_APP_MODAL | wxPD_CAN_ABORT | wxPD_AUTO_HIDE);
 
     while (status.IsActive()) {
-        if (progress.Update(status.GetCurIndex()) == FALSE)
+        curi = status.GetCurIndex();
+        if (curi % 10 == 0 && progress.Update(curi) == FALSE)
             break;
         if (status.Search()) {
             foundstr.Printf(_("Found %i matches"), ++foundcnt);