X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14f355c2b5c71fc7c3d680aea366582d2ac60f7b..f2c88494b6978bee502f4c856ba9dc7e3b7c3954:/src/xml/xml.cpp?ds=inline diff --git a/src/xml/xml.cpp b/src/xml/xml.cpp index 7fc49292a2..990d6aa81f 100644 --- a/src/xml/xml.cpp +++ b/src/xml/xml.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: xml.cpp +// Name: src/xml/xml.cpp // Purpose: wxXmlDocument - XML parser & data holder class // Author: Vaclav Slavik // Created: 2000/03/05 @@ -8,10 +8,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "xml.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -19,23 +15,31 @@ #pragma hdrstop #endif +#if wxUSE_XML + #include "wx/xml/xml.h" -#if wxUSE_XML +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/app.h" +#endif #include "wx/wfstream.h" #include "wx/datstrm.h" #include "wx/zstream.h" -#include "wx/log.h" -#include "wx/intl.h" #include "wx/strconv.h" #include "expat.h" // from Expat // DLL options compatibility check: -#include "wx/app.h" WX_CHECK_BUILD_OPTIONS("wxXML") + +IMPLEMENT_CLASS(wxXmlDocument, wxObject) + + + //----------------------------------------------------------------------------- // wxXmlNode //----------------------------------------------------------------------------- @@ -127,11 +131,11 @@ bool wxXmlNode::HasProp(const wxString& propName) const while (prop) { - if (prop->GetName() == propName) return TRUE; + if (prop->GetName() == propName) return true; prop = prop->GetNext(); } - return FALSE; + return false; } bool wxXmlNode::GetPropVal(const wxString& propName, wxString *value) const @@ -143,12 +147,12 @@ bool wxXmlNode::GetPropVal(const wxString& propName, wxString *value) const if (prop->GetName() == propName) { *value = prop->GetValue(); - return TRUE; + return true; } prop = prop->GetNext(); } - return FALSE; + return false; } wxString wxXmlNode::GetPropVal(const wxString& propName, const wxString& defaultVal) const @@ -156,8 +160,8 @@ wxString wxXmlNode::GetPropVal(const wxString& propName, const wxString& default wxString tmp; if (GetPropVal(propName, &tmp)) return tmp; - else - return defaultVal; + + return defaultVal; } void wxXmlNode::AddChild(wxXmlNode *child) @@ -194,13 +198,13 @@ void wxXmlNode::InsertChild(wxXmlNode *child, wxXmlNode *before_node) bool wxXmlNode::RemoveChild(wxXmlNode *child) { if (m_children == NULL) - return FALSE; + return false; else if (m_children == child) { m_children = child->m_next; child->m_parent = NULL; child->m_next = NULL; - return TRUE; + return true; } else { @@ -212,11 +216,11 @@ bool wxXmlNode::RemoveChild(wxXmlNode *child) ch->m_next = child->m_next; child->m_parent = NULL; child->m_next = NULL; - return TRUE; + return true; } ch = ch->m_next; } - return FALSE; + return false; } } @@ -242,7 +246,7 @@ bool wxXmlNode::DeleteProperty(const wxString& name) wxXmlProperty *prop; if (m_properties == NULL) - return FALSE; + return false; else if (m_properties->GetName() == name) { @@ -250,7 +254,7 @@ bool wxXmlNode::DeleteProperty(const wxString& name) m_properties = prop->GetNext(); prop->SetNext(NULL); delete prop; - return TRUE; + return true; } else @@ -264,12 +268,26 @@ bool wxXmlNode::DeleteProperty(const wxString& name) p->SetNext(prop->GetNext()); prop->SetNext(NULL); delete prop; - return TRUE; + return true; } p = p->GetNext(); } - return FALSE; + return false; + } +} + +wxString wxXmlNode::GetNodeContent() const +{ + wxXmlNode *n = GetChildren(); + + while (n) + { + if (n->GetType() == wxXML_TEXT_NODE || + n->GetType() == wxXML_CDATA_SECTION_NODE) + return n->GetContent(); + n = n->GetNext(); } + return wxEmptyString; } @@ -287,7 +305,7 @@ wxXmlDocument::wxXmlDocument() } wxXmlDocument::wxXmlDocument(const wxString& filename, const wxString& encoding) - : wxObject(), m_root(NULL) + :wxObject(), m_root(NULL) { if ( !Load(filename, encoding) ) { @@ -296,7 +314,7 @@ wxXmlDocument::wxXmlDocument(const wxString& filename, const wxString& encoding) } wxXmlDocument::wxXmlDocument(wxInputStream& stream, const wxString& encoding) - : wxObject(), m_root(NULL) + :wxObject(), m_root(NULL) { if ( !Load(stream, encoding) ) { @@ -305,6 +323,7 @@ wxXmlDocument::wxXmlDocument(wxInputStream& stream, const wxString& encoding) } wxXmlDocument::wxXmlDocument(const wxXmlDocument& doc) + :wxObject() { DoCopy(doc); } @@ -329,12 +348,16 @@ void wxXmlDocument::DoCopy(const wxXmlDocument& doc) bool wxXmlDocument::Load(const wxString& filename, const wxString& encoding) { wxFileInputStream stream(filename); + if (!stream.Ok()) + return false; return Load(stream, encoding); } bool wxXmlDocument::Save(const wxString& filename) const { wxFileOutputStream stream(filename); + if (!stream.Ok()) + return false; return Save(stream); } @@ -349,29 +372,30 @@ bool wxXmlDocument::Save(const wxString& filename) const - process all elements, including CDATA */ -// converts Expat-produced string in UTF-8 into wxString. -inline static wxString CharToString(wxMBConv *conv, +// converts Expat-produced string in UTF-8 into wxString using the specified +// conv or keep in UTF-8 if conv is NULL +static wxString CharToString(wxMBConv *conv, const char *s, size_t len = wxSTRING_MAXLEN) { #if wxUSE_UNICODE - (void)conv; + wxUnusedVar(conv); + return wxString(s, wxConvUTF8, len); -#else +#else // !wxUSE_UNICODE if ( conv ) { - size_t nLen = (len != wxSTRING_MAXLEN) ? len : - wxConvUTF8.MB2WC((wchar_t*) NULL, s, 0); + // there can be no embedded NULs in this string so we don't need the + // output length, it will be NUL-terminated + const wxWCharBuffer wbuf( + wxConvUTF8.cMB2WC(s, len == wxSTRING_MAXLEN ? wxNO_LEN : len, NULL)); - wchar_t *buf = new wchar_t[nLen+1]; - wxConvUTF8.MB2WC(buf, s, nLen); - buf[nLen] = 0; - wxString str(buf, *conv, len); - delete[] buf; - return str; + return wxString(wbuf, *conv); } - else - return wxString(s, len); -#endif + else // already in UTF-8, no conversion needed + { + return wxString(s, len != wxSTRING_MAXLEN ? len : strlen(s)); + } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE } struct wxXmlParsingContext @@ -384,6 +408,7 @@ struct wxXmlParsingContext wxString version; }; +extern "C" { static void StartElementHnd(void *userData, const char *name, const char **atts) { wxXmlParsingContext *ctx = (wxXmlParsingContext*)userData; @@ -401,7 +426,9 @@ static void StartElementHnd(void *userData, const char *name, const char **atts) ctx->node = node; ctx->lastAsText = NULL; } +} +extern "C" { static void EndElementHnd(void *userData, const char* WXUNUSED(name)) { wxXmlParsingContext *ctx = (wxXmlParsingContext*)userData; @@ -409,7 +436,9 @@ static void EndElementHnd(void *userData, const char* WXUNUSED(name)) ctx->node = ctx->node->GetParent(); ctx->lastAsText = NULL; } +} +extern "C" { static void TextHnd(void *userData, const char *s, int len) { wxXmlParsingContext *ctx = (wxXmlParsingContext*)userData; @@ -425,11 +454,11 @@ static void TextHnd(void *userData, const char *s, int len) } else { - bool whiteOnly = TRUE; + bool whiteOnly = true; for (char *c = buf; *c != '\0'; c++) if (*c != ' ' && *c != '\t' && *c != '\n' && *c != '\r') { - whiteOnly = FALSE; + whiteOnly = false; break; } if (!whiteOnly) @@ -442,7 +471,9 @@ static void TextHnd(void *userData, const char *s, int len) delete[] buf; } +} +extern "C" { static void CommentHnd(void *userData, const char *data) { wxXmlParsingContext *ctx = (wxXmlParsingContext*)userData; @@ -457,7 +488,9 @@ static void CommentHnd(void *userData, const char *data) } ctx->lastAsText = NULL; } +} +extern "C" { static void DefaultHnd(void *userData, const char *s, int len) { // XML header: @@ -475,14 +508,17 @@ static void DefaultHnd(void *userData, const char *s, int len) ctx->version = buf.Mid(pos + 9).BeforeFirst(buf[(size_t)pos+8]); } } +} +extern "C" { static int UnknownEncodingHnd(void * WXUNUSED(encodingHandlerData), const XML_Char *name, XML_Encoding *info) { // We must build conversion table for expat. The easiest way to do so // is to let wxCSConv convert as string containing all characters to // wide character representation: - wxCSConv conv(wxString(name, wxConvLibc)); + wxString str(name, wxConvLibc); + wxCSConv conv(str); char mbBuf[2]; wchar_t wcBuf[10]; size_t i; @@ -499,13 +535,14 @@ static int UnknownEncodingHnd(void * WXUNUSED(encodingHandlerData), } info->map[i+1] = (int)wcBuf[0]; } - + info->data = NULL; info->convert = NULL; info->release = NULL; return 1; } +} bool wxXmlDocument::Load(wxInputStream& stream, const wxString& encoding) { @@ -543,8 +580,10 @@ bool wxXmlDocument::Load(wxInputStream& stream, const wxString& encoding) done = (len < BUFSIZE); if (!XML_Parse(parser, buf, len, done)) { + wxString error(XML_ErrorString(XML_GetErrorCode(parser)), + *wxConvCurrent); wxLogError(_("XML parsing error: '%s' at line %d"), - XML_ErrorString(XML_GetErrorCode(parser)), + error.c_str(), XML_GetCurrentLineNumber(parser)); ok = false; break; @@ -553,10 +592,16 @@ bool wxXmlDocument::Load(wxInputStream& stream, const wxString& encoding) if (ok) { - SetVersion(ctx.version); - SetFileEncoding(ctx.encoding); + if (!ctx.version.empty()) + SetVersion(ctx.version); + if (!ctx.encoding.empty()) + SetFileEncoding(ctx.encoding); SetRoot(ctx.root); } + else + { + delete ctx.root; + } XML_ParserFree(parser); #if !wxUSE_UNICODE @@ -576,27 +621,42 @@ bool wxXmlDocument::Load(wxInputStream& stream, const wxString& encoding) // write string to output: inline static void OutputString(wxOutputStream& stream, const wxString& str, - wxMBConv *convMem, wxMBConv *convFile) + wxMBConv *convMem = NULL, + wxMBConv *convFile = NULL) { - if (str.IsEmpty()) return; + if (str.empty()) + return; + #if wxUSE_UNICODE - const wxWX2MBbuf buf(str.mb_str(convFile ? *convFile : wxConvUTF8)); + wxUnusedVar(convMem); + + const wxWX2MBbuf buf(str.mb_str(*(convFile ? convFile : &wxConvUTF8))); stream.Write((const char*)buf, strlen((const char*)buf)); -#else - if ( convFile == NULL ) - stream.Write(str.mb_str(), str.Len()); - else +#else // !wxUSE_UNICODE + if ( convFile && convMem ) { wxString str2(str.wc_str(*convMem), *convFile); stream.Write(str2.mb_str(), str2.Len()); } -#endif + else // no conversions to do + { + stream.Write(str.mb_str(), str.Len()); + } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE } +// flags for OutputStringEnt() +enum +{ + XML_ESCAPE_QUOTES = 1 +}; + // Same as above, but create entities first. // Translates '<' to "<", '>' to ">" and '&' to "&" static void OutputStringEnt(wxOutputStream& stream, const wxString& str, - wxMBConv *convMem, wxMBConv *convFile) + wxMBConv *convMem = NULL, + wxMBConv *convFile = NULL, + int flags = 0) { wxString buf; size_t i, last, len; @@ -608,21 +668,26 @@ static void OutputStringEnt(wxOutputStream& stream, const wxString& str, { c = str.GetChar(i); if (c == wxT('<') || c == wxT('>') || - (c == wxT('&') && str.Mid(i+1, 4) != wxT("amp;"))) + (c == wxT('&') && str.Mid(i+1, 4) != wxT("amp;")) || + ((flags & XML_ESCAPE_QUOTES) && c == wxT('"'))) { OutputString(stream, str.Mid(last, i - last), convMem, convFile); switch (c) { case wxT('<'): - OutputString(stream, wxT("<"), NULL, NULL); + OutputString(stream, wxT("<")); break; case wxT('>'): - OutputString(stream, wxT(">"), NULL, NULL); + OutputString(stream, wxT(">")); break; case wxT('&'): - OutputString(stream, wxT("&"), NULL, NULL); + OutputString(stream, wxT("&")); + break; + case wxT('"'): + OutputString(stream, wxT(""")); + break; + default: break; - default: break; } last = i + 1; } @@ -635,7 +700,7 @@ inline static void OutputIndentation(wxOutputStream& stream, int indent) wxString str = wxT("\n"); for (int i = 0; i < indent; i++) str << wxT(' ') << wxT(' '); - OutputString(stream, str, NULL, NULL); + OutputString(stream, str); } static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent, @@ -651,22 +716,22 @@ static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent, break; case wxXML_ELEMENT_NODE: - OutputString(stream, wxT("<"), NULL, NULL); - OutputString(stream, node->GetName(), NULL, NULL); + OutputString(stream, wxT("<")); + OutputString(stream, node->GetName()); prop = node->GetProperties(); while (prop) { - OutputString(stream, wxT(" ") + prop->GetName() + - wxT("=\"") + prop->GetValue() + wxT("\""), - NULL, NULL); - // FIXME - what if prop contains '"'? + OutputString(stream, wxT(" ") + prop->GetName() + wxT("=\"")); + OutputStringEnt(stream, prop->GetValue(), convMem, convFile, + XML_ESCAPE_QUOTES); + OutputString(stream, wxT("\"")); prop = prop->GetNext(); } if (node->GetChildren()) { - OutputString(stream, wxT(">"), NULL, NULL); + OutputString(stream, wxT(">")); prev = NULL; n = node->GetChildren(); while (n) @@ -679,18 +744,18 @@ static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent, } if (prev && prev->GetType() != wxXML_TEXT_NODE) OutputIndentation(stream, indent); - OutputString(stream, wxT("GetName(), NULL, NULL); - OutputString(stream, wxT(">"), NULL, NULL); + OutputString(stream, wxT("GetName()); + OutputString(stream, wxT(">")); } else - OutputString(stream, wxT("/>"), NULL, NULL); + OutputString(stream, wxT("/>")); break; case wxXML_COMMENT_NODE: - OutputString(stream, wxT(""), NULL, NULL); + OutputString(stream, wxT("-->")); break; default: @@ -701,14 +766,16 @@ static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent, bool wxXmlDocument::Save(wxOutputStream& stream) const { if ( !IsOk() ) - return FALSE; + return false; wxString s; - wxMBConv *convMem = NULL, *convFile = NULL; + wxMBConv *convMem = NULL; + #if wxUSE_UNICODE - convFile = new wxCSConv(GetFileEncoding()); + wxMBConv *convFile = new wxCSConv(GetFileEncoding()); #else + wxMBConv *convFile = NULL; if ( GetFileEncoding() != GetEncoding() ) { convFile = new wxCSConv(GetFileEncoding()); @@ -718,17 +785,17 @@ bool wxXmlDocument::Save(wxOutputStream& stream) const s.Printf(wxT("\n"), GetVersion().c_str(), GetFileEncoding().c_str()); - OutputString(stream, s, NULL, NULL); + OutputString(stream, s); OutputNode(stream, GetRoot(), 0, convMem, convFile); - OutputString(stream, wxT("\n"), NULL, NULL); + OutputString(stream, wxT("\n")); if ( convFile ) delete convFile; if ( convMem ) delete convMem; - return TRUE; + return true; } #endif // wxUSE_XML