Dialog Editor edits

[wxWidgets.git] / utils / dialoged / src / symbtabl.cpp

diff --git a/utils/dialoged/src/symbtabl.cpp b/utils/dialoged/src/symbtabl.cpp
new file mode 100644 (file)
index 0000000..a2f42f5
--- /dev/null
+++ b/utils/dialoged/src/symbtabl.cpp
@@ -0,0 +1,173 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        symbtabl.cpp
+// Purpose:     wxResourceSymbolTable
+// Author:      Julian Smart
+// Modified by:
+// Created:     04/01/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:    wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "symbtabl.h"
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include <wx/file.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "symbtabl.h"
+
+wxResourceSymbolTable::wxResourceSymbolTable():
+  m_hashTable(wxKEY_STRING)
+{
+}
+
+wxResourceSymbolTable::~wxResourceSymbolTable()
+{
+    Clear();
+}
+
+// Operations
+
+bool wxResourceSymbolTable::ReadIncludeFile(const wxString& filename)
+{
+    wxFile file;
+    if (!file.Open(filename, wxFile::read))
+        return FALSE;
+
+    off_t len = file.Length();
+    if (len == -1)
+        return FALSE;
+
+    wxString str;
+    char* p = str.GetWriteBuf(len + 1);
+
+    if (file.Read(p, len) == ofsInvalid)
+    {
+        str.UngetWriteBuf();
+        return FALSE;
+    }
+    str.UngetWriteBuf();
+
+    // Look for #define occurrences
+    size_t pos = str.Find("#define");
+    while (pos != -1)
+    {
+        size_t len = str.Length();
+
+        size_t i = pos + 8;
+
+        // Eat whitespace until symbol
+        while ((str[i] == ' ' || str[i] == '\t') && (i < len))
+            i ++;
+
+        size_t start = i;
+
+        // Eat symbol
+        while (str[i] != ' ' && str[i] != '\t' && (i < len))
+            i ++;
+        size_t end = i-1;
+
+        wxString symbol(str.Mid(start, (end - start + 1)));
+
+        // Eat whitespace until number
+        while ((str[i] == ' ' || str[i] == '\t') && (i < len))
+            i ++;
+
+        size_t startNum = i;
+
+        // Eat number
+        while (str[i] != ' ' && str[i] != '\t' && str[i] != '\n' && (i < len))
+            i ++;
+
+        size_t endNum = i-1;
+
+        wxString numStr(str.Mid(startNum, (endNum - startNum + 1)));
+
+        long id = atol(numStr);
+
+        AddSymbol(symbol, id);
+
+        str = str.Right(len - i);
+        pos = str.Find("#define");
+    }
+
+    return TRUE;
+}
+
+bool wxResourceSymbolTable::WriteIncludeFile(const wxString& filename)
+{
+    wxFile file;
+    if (!file.Open(filename, wxFile::write))
+        return FALSE;
+
+    m_hashTable.BeginFind();
+
+    wxNode* node = m_hashTable.Next();
+    while (node)
+    {
+        char* str = node->key.string;
+        long id = (long) node->Data() ;
+
+        wxString line;
+        line.Printf("#define %s %ld\n", str, id);
+
+        file.Write(line, line.Length());
+
+        node = m_hashTable.Next();
+    }
+    return TRUE;
+}
+
+void wxResourceSymbolTable::Clear()
+{
+    m_hashTable.Clear();
+}
+
+bool wxResourceSymbolTable::AddSymbol(const wxString& symbol, long id)
+{
+    m_hashTable.Put(symbol, (wxObject*) id);
+    return TRUE;
+}
+
+// Accessors
+wxString wxResourceSymbolTable::GetSymbolForId(long id)
+{
+    m_hashTable.BeginFind();
+
+    wxNode* node = m_hashTable.Next();
+    while (node)
+    {
+        char* str = node->key.string;
+        if (str && ( ((long) node->Data()) == id) )
+            return wxString(str);
+
+        node = m_hashTable.Next();
+    }
+    return wxString("");
+}
+
+long wxResourceSymbolTable::GetIdForSymbol(const wxString& symbol)
+{
+    return (long) m_hashTable.Get(symbol);
+}
+
+bool wxResourceSymbolTable::SymbolExists(const wxString& symbol) const
+{
+    return (m_hashTable.Get(symbol) != NULL);
+}
+