resource.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

            }
            // Escaped characters
            else if (ch == '\\')
            {
                int newCh = getc(fd);
                if (newCh == '"')
                    actualCh = '"';
                else if (newCh == 10)
                    actualCh = 10;
                else
                {
                    ungetc(newCh, fd);
                }
            }

            if (wxResourceBufferCount >= wxResourceBufferSize-1)
                wxReallocateResourceBuffer();
            wxResourceBuffer[wxResourceBufferCount] = (char)actualCh;
            wxResourceBufferCount ++;
            ch = getc(fd);
        }
        wxResourceBuffer[wxResourceBufferCount] = 0;
    }
    else
    {
        wxResourceBufferCount = 0;
        // Any other token
        while (ch != ' ' && ch != EOF && ch != ' ' && ch != 13 && ch != 9 && ch != 10)
        {
            if (wxResourceBufferCount >= wxResourceBufferSize-1)
                wxReallocateResourceBuffer();
            wxResourceBuffer[wxResourceBufferCount] = (char)ch;
            wxResourceBufferCount ++;

            ch = getc(fd);
        }
        wxResourceBuffer[wxResourceBufferCount] = 0;
        if (ch == EOF)
            return false;
    }
    return true;
}

bool wxGetResourceToken(wxInputStream *is)
{
    if (!wxResourceBuffer)
        wxReallocateResourceBuffer();
    wxResourceBuffer[0] = 0;
    wxEatWhiteSpace(is);

    int ch = is->GetC() ;
    if (ch == '"')
    {
        // Get string
        wxResourceBufferCount = 0;
        ch = is->GetC();
        while (ch != '"')
        {
            int actualCh = ch;
            if (ch == EOF)
            {
                wxResourceBuffer[wxResourceBufferCount] = 0;
                return false;
            }
            // Escaped characters
            else if (ch == '\\')
            {
                char newCh = is->GetC();
                if (newCh == '"')
                    actualCh = '"';
                else if (newCh == 10)
                    actualCh = 10;
                else if (newCh == 13) // mac
                    actualCh = 10;
                else
                {
                    is->Ungetch(newCh);
                }
            }

            if (wxResourceBufferCount >= wxResourceBufferSize-1)
                wxReallocateResourceBuffer();
            wxResourceBuffer[wxResourceBufferCount] = (char)actualCh;
            wxResourceBufferCount ++;
            ch = is->GetC();
        }
        wxResourceBuffer[wxResourceBufferCount] = 0;
    }
    else
    {
        wxResourceBufferCount = 0;
        // Any other token
        while (ch != ' ' && ch != EOF && ch != ' ' && ch != 13 && ch != 9 && ch != 10)
        {
            if (wxResourceBufferCount >= wxResourceBufferSize-1)
                wxReallocateResourceBuffer();
            wxResourceBuffer[wxResourceBufferCount] = (char)ch;
            wxResourceBufferCount ++;

            ch = is->GetC();
        }
        wxResourceBuffer[wxResourceBufferCount] = 0;
        if (ch == EOF)
            return false;
    }
    return true;
}

/*
* Files are in form:
static char *name = "....";
with possible comments.
*/

bool wxResourceReadOneResource(FILE *fd, wxExprDatabase& db, bool *eof, wxResourceTable *table)
{
    if (!table)
        table = wxDefaultResourceTable;

    // static or #define
    if (!wxGetResourceToken(fd))
    {
        *eof = true;
        return false;
    }

    if (strcmp(wxResourceBuffer, "#define") == 0)
    {
        wxGetResourceToken(fd);
        wxChar *name = copystring(wxConvCurrent->cMB2WX(wxResourceBuffer));
        wxGetResourceToken(fd);
        wxChar *value = copystring(wxConvCurrent->cMB2WX(wxResourceBuffer));
        if (wxIsdigit(value[0]))
        {
            int val = (int)wxAtol(value);
            wxResourceAddIdentifier(name, val, table);
        }
        else
        {
            wxLogWarning(_("#define %s must be an integer."), name);
            delete[] name;
            delete[] value;
            return false;
        }
        delete[] name;
        delete[] value;

        return true;
    }
    else if (strcmp(wxResourceBuffer, "#include") == 0)
    {
        wxGetResourceToken(fd);
        wxChar *name = copystring(wxConvCurrent->cMB2WX(wxResourceBuffer));
        wxChar *actualName = name;
        if (name[0] == wxT('"'))
            actualName = name + 1;
        int len = wxStrlen(name);
        if ((len > 0) && (name[len-1] == wxT('"')))
            name[len-1] = 0;
        if (!wxResourceParseIncludeFile(actualName, table))
        {
            wxLogWarning(_("Could not find resource include file %s."), actualName);
        }
        delete[] name;
        return true;
    }
    else if (strcmp(wxResourceBuffer, "static") != 0)
    {
        wxChar buf[300];
        wxStrcpy(buf, _("Found "));
        wxStrncat(buf, wxConvCurrent->cMB2WX(wxResourceBuffer), 30);
        wxStrcat(buf, _(", expected static, #include or #define\nwhile parsing resource."));
        wxLogWarning(buf);
        return false;
    }

    // char
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }

    if (strcmp(wxResourceBuffer, "char") != 0)
    {
        wxLogWarning(_("Expected 'char' while parsing resource."));
        return false;
    }

    // *name
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }

    if (wxResourceBuffer[0] != '*')
    {
        wxLogWarning(_("Expected '*' while parsing resource."));
        return false;
    }
    wxChar nameBuf[100];
    wxMB2WX(nameBuf, wxResourceBuffer+1, 99);
    nameBuf[99] = 0;

    // =
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }

    if (strcmp(wxResourceBuffer, "=") != 0)
    {
        wxLogWarning(_("Expected '=' while parsing resource."));
        return false;
    }

    // String
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }
    else
    {
        if (!db.ReadPrologFromString(wxResourceBuffer))
        {
            wxLogWarning(_("%s: ill-formed resource file syntax."), nameBuf);
            return false;
        }
    }
    // Semicolon
    if (!wxGetResourceToken(fd))
    {
        *eof = true;
    }
    return true;
}

bool wxResourceReadOneResource(wxInputStream *fd, wxExprDatabase& db, bool *eof, wxResourceTable *table)
{
    if (!table)
        table = wxDefaultResourceTable;

    // static or #define
    if (!wxGetResourceToken(fd))
    {
        *eof = true;
        return false;
    }

    if (strcmp(wxResourceBuffer, "#define") == 0)
    {
        wxGetResourceToken(fd);
        wxChar *name = copystring(wxConvLibc.cMB2WX(wxResourceBuffer));
        wxGetResourceToken(fd);
        wxChar *value = copystring(wxConvLibc.cMB2WX(wxResourceBuffer));
        if (wxIsalpha(value[0]))
        {
            int val = (int)wxAtol(value);
            wxResourceAddIdentifier(name, val, table);
        }
        else
        {
            wxLogWarning(_("#define %s must be an integer."), name);
            delete[] name;
            delete[] value;
            return false;
        }
        delete[] name;
        delete[] value;

        return true;
    }
    else if (strcmp(wxResourceBuffer, "#include") == 0)
    {
        wxGetResourceToken(fd);
        wxChar *name = copystring(wxConvLibc.cMB2WX(wxResourceBuffer));
        wxChar *actualName = name;
        if (name[0] == wxT('"'))
            actualName = name + 1;
        int len = wxStrlen(name);
        if ((len > 0) && (name[len-1] == wxT('"')))
            name[len-1] = 0;
        if (!wxResourceParseIncludeFile(actualName, table))
        {
            wxLogWarning(_("Could not find resource include file %s."), actualName);
        }
        delete[] name;
        return true;
    }
    else if (strcmp(wxResourceBuffer, "static") != 0)
    {
        wxChar buf[300];
        wxStrcpy(buf, _("Found "));
        wxStrncat(buf, wxConvLibc.cMB2WX(wxResourceBuffer), 30);
        wxStrcat(buf, _(", expected static, #include or #define\nwhile parsing resource."));
        wxLogWarning(buf);
        return false;
    }

    // char
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }

    if (strcmp(wxResourceBuffer, "char") != 0)
    {
        wxLogWarning(_("Expected 'char' while parsing resource."));
        return false;
    }

    // *name
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }

    if (wxResourceBuffer[0] != '*')
    {
        wxLogWarning(_("Expected '*' while parsing resource."));
        return false;
    }
    char nameBuf[100];
    strncpy(nameBuf, wxResourceBuffer+1, 99);

    // =
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }

    if (strcmp(wxResourceBuffer, "=") != 0)
    {
        wxLogWarning(_("Expected '=' while parsing resource."));
        return false;
    }

    // String
    if (!wxGetResourceToken(fd))
    {
        wxLogWarning(_("Unexpected end of file while parsing resource."));
        *eof = true;
        return false;
    }
    else
    {
        if (!db.ReadPrologFromString(wxResourceBuffer))
        {
            wxLogWarning(_("%s: ill-formed resource file syntax."), nameBuf);
            return false;
        }
    }
    // Semicolon
    if (!wxGetResourceToken(fd))
    {
        *eof = true;
    }
    return true;
}

/*
* Parses string window style into integer window style
*/

/*
* Style flag parsing, e.g.
* "wxSYSTEM_MENU | wxBORDER" -> integer
*/

wxChar* wxResourceParseWord(wxChar*s, int *i)
{
    if (!s)
        return (wxChar*) NULL;

    static wxChar buf[150];
    int len = wxStrlen(s);
    int j = 0;
    int ii = *i;
    while ((ii < len) && (wxIsalpha(s[ii]) || (s[ii] == wxT('_'))))
    {
        buf[j] = s[ii];
        j ++;
        ii ++;
    }
    buf[j] = 0;

    // Eat whitespace and conjunction characters
    while ((ii < len) &&
        ((s[ii] == wxT(' ')) || (s[ii] == wxT('|')) || (s[ii] == wxT(','))))
    {
        ii ++;
    }
    *i = ii;
    if (j == 0)
        return (wxChar*) NULL;
    else
        return buf;
}

struct