guy 46d30d0ca2 Patch level : 10.0
Files correlati     : lurch.exe
Ricompilazione Demo : [ ]
Commento            :
Questo maggiordomo non solo e' in grado di ammazzare la servitu' oziosa...
ma anche di risuscitarla quanto questa si suicida!


git-svn-id: svn://10.65.10.50/trunk@19979 c028cbd2-c16b-5b4b-a496-9718f37d4682
2010-01-25 15:36:05 +00:00

555 lines
10 KiB
C++
Executable File

#include <wx/wx.h>
#include "wx/mstream.h"
#include <wx/wfstream.h>
#include "xml.h"
///////////////////////////////////////////////////////////
// Utilities
///////////////////////////////////////////////////////////
wxOutputStream& operator<<(wxOutputStream& outf, const wxChar* str)
{
if (str && *str)
outf.Write(str, wxStrlen(str));
return outf;
}
wxOutputStream& operator<<(wxOutputStream& outf, wxString str)
{
if (!str.IsEmpty())
outf.Write(str, str.Length());
return outf;
}
wxInputStream& operator>>(wxInputStream& inf, wxString& str)
{
const off_t nStart = inf.TellI();
wxChar* buf = str.GetWriteBuf(1024); *buf = '\0';
inf.Read(buf, 1024);
str.UngetWriteBuf();
const int nEol = str.Find('\n');
if (nEol >= 0)
{
if (str[(size_t)(nEol+1)] > '\0')
inf.SeekI(nStart+nEol+1, (wxSeekMode) 0);
str.Truncate(nEol);
str.Trim();
}
else
{
if (!str.IsEmpty())
inf.SeekI(nStart+str.Length(), (wxSeekMode) 0);
}
return inf;
}
void Spaces(wxOutputStream& outf, int nSpaces)
{
outf << "\n";
if (nSpaces > 0)
{
wxString str;
str.Append(' ', nSpaces);
outf << str;
}
}
int hex2int(const wxChar* str)
{
int n = 0;
for (int i = 0; str[i]; i++)
{
if (str[i] >= '0' && str[i] <= '9')
{
n *= 16;
n += str[i]-'0';
} else
if (str[i] >= 'A' && str[i] <= 'F')
{
n *= 16;
n += str[i]-'A'+10;
}
else
break;
}
return n;
}
wxString EscapeSequence(char cStart, wxInputStream& inf)
{
wxString str;
if (cStart == '&')
{
for (wxChar c = inf.GetC(); c != ';'; c = inf.GetC())
str += c;
unsigned n = 0;
sscanf(str, "#%X", &n);
str = char(n);
}
else
str = cStart;
return str;
}
void WriteXmlString(wxOutputStream& outf, const wxChar* str)
{
for (int i = 0; str[i]; i++)
{
wxChar c = str[i];
if (c < 0 || c > 'z' || strchr("<>/&", c) != NULL)
{
unsigned int n = (unsigned char)c;
char str[8]; sprintf(str, "&#%02X;", n);
outf << str;
}
else
outf << c;
}
}
///////////////////////////////////////////////////////////
// TXmlAttr
///////////////////////////////////////////////////////////
class TXmlAttr : public wxObject
{
public:
wxString m_str;
void Write(wxOutputStream& outf) const;
TXmlAttr(const wxChar* str) : m_str(str) { }
};
void TXmlAttr::Write(wxOutputStream& outf) const
{
if (m_str.IsEmpty())
{
outf << "\"\"";
}
else
{
if (m_str.IsNumber())
outf << m_str;
else
outf << "\"" << m_str << "\"";
}
}
///////////////////////////////////////////////////////////
// TXmlItem
///////////////////////////////////////////////////////////
IMPLEMENT_DYNAMIC_CLASS(TXmlItem, wxObject)
TXmlItem& TXmlItem::SetAttr(const wxChar* strAttr, const wxChar* strVal)
{
if (m_Attributes == NULL)
{
m_Attributes = new wxHashTable(wxKEY_STRING, 17);
m_Attributes->DeleteContents(true);
}
else
m_Attributes->Delete(strAttr);
m_Attributes->Put(strAttr, new TXmlAttr(strVal));
return *this;
}
wxString TXmlItem::GetAttr(const wxChar* strAttr) const
{
wxString strResult;
if (m_Attributes != NULL)
{
const TXmlAttr* str = (const TXmlAttr*)m_Attributes->Get(strAttr);
if (str != NULL)
strResult = str->m_str;
}
return strResult;
}
TXmlItem& TXmlItem::SetAttr(const wxChar* strAttr, long nVal)
{
return SetAttr(strAttr, wxString::Format("%ld", nVal));
}
int TXmlItem::GetChildren() const
{
int n = 0;
if (m_Children != NULL)
n = (int)m_Children->GetCount();
return n;
}
TXmlItem* TXmlItem::GetChild(size_t n) const
{
TXmlItem* i = NULL;
if (m_Children != NULL && n < m_Children->GetCount())
{
wxNode* pNode = m_Children->Item(n);
if (pNode != NULL)
i = (TXmlItem*)pNode->GetData();
}
return i;
}
wxString TXmlItem::GetWord(wxInputStream& inf) const
{
wxString str;
int cFirstChar = EOF;
while (!inf.Eof())
{
cFirstChar = inf.GetC();
if (cFirstChar <= 0 || cFirstChar > ' ')
break;
}
if (cFirstChar == EOF)
return str;
const bool bIsString = cFirstChar == '"' || cFirstChar == '\'';
if (bIsString)
str = "";
else
{
str = char(cFirstChar);
if (strchr("<=/>", cFirstChar))
return str; // Simboli terminali
}
while (!inf.Eof())
{
int c = inf.GetC();
if (bIsString)
{
if (c == cFirstChar)
break;
if (c >= '\0' && c <= ' ')
c = ' ';
str += wxChar(c);
}
else
{
if (c >= '\0' && c <= ' ')
break;
if (strchr("<=/>", c))
{
inf.Ungetch(char(c));
break;
}
if (c == '&')
str += EscapeSequence(c, inf);
else
str += wxChar(c);
}
}
return str;
}
int TXmlItem::ReadTag(wxInputStream& inf)
{
wxString str = GetWord(inf);
if (str.IsEmpty())
return -1;
if (str[0u] != '<') // No tag = sequence of words
{
bool bFirstChar = true;
while (!inf.Eof())
{
wxChar c = inf.GetC();
if (c == '<')
{
inf.Ungetch(c);
break;
}
if (bFirstChar)
{
if (c != ' ' && c != '=')
str << ' ';
bFirstChar = false;
}
if (c == '&')
str += EscapeSequence(c, inf);
else
str << c;
}
SetTag("");
SetText(str);
return 0;
}
bool bChildrenFollow = true;
m_strTag = GetWord(inf);
if (m_strTag == "/") // Sto leggendo un tag di chiusura del tipo </SOAP-ENV>
{
bChildrenFollow = false;
m_strTag += GetWord(inf);
}
wxString name = GetWord(inf);
while (!name.IsEmpty())
{
if (name[ 0u] == '>')
return bChildrenFollow ? +1 : 0;
if (name[0u] == '/')
{
bChildrenFollow = false;
name = GetWord(inf);
continue;
}
// Ho letto un nome di attributo
wxString str = GetWord(inf);
if (str.IsEmpty() || str[0u] != '=')
break;
// Leggo il valore dell'attributo
str = GetWord(inf);
const size_t len = str.Len();
if (len >= 2 && (str[0] == '"' || str[0] == '\'') && str[len-1] == str[0])
{
str = str.Mid(1, len - 2);
}
SetAttr(name, str);
name = GetWord(inf);
}
return -1;
}
TXmlItem& TXmlItem::AddChild(TXmlItem* pItem)
{
if (m_Children == NULL)
{
m_Children = new wxList;
m_Children->DeleteContents(true);
}
if (pItem == NULL)
pItem = new TXmlItem;
m_Children->Append(pItem);
return *pItem;
}
TXmlItem& TXmlItem::AddChild(const wxChar* strTagName)
{
TXmlItem& i = AddChild((TXmlItem*)NULL);
i.SetTag(strTagName);
return i;
}
TXmlItem& TXmlItem::AddSoapString(const wxChar* name, const wxChar* value, bool typized)
{
TXmlItem& xmlVar = AddChild(name);
if (typized)
xmlVar.SetAttr("xsi:type", "xsd:string");
xmlVar.AddChild("").SetText(value);
return xmlVar;
}
TXmlItem& TXmlItem::AddSoapInt(const wxChar* name, int value, bool typized)
{
TXmlItem& xmlVar = AddChild(name);
if (typized)
xmlVar.SetAttr("xsi:type", "xsd:int");
wxString str; str += value;
xmlVar.AddChild("").SetText(str);
return xmlVar;
}
wxString TXmlItem::GetSoapString(const wxChar* tag, const wxChar* def) const
{
const TXmlItem* i = FindFirst(tag);
return i != NULL ? i->GetEnclosedText().Trim() : def;
}
long TXmlItem::GetSoapInt(const wxChar* tag, long def) const
{
const wxString str = GetSoapString(tag);
long n;
if (str.ToLong(&n))
def = n;
return def;
}
void TXmlItem::RemoveLastChild()
{
if (m_Children != NULL)
{
wxNode* n = m_Children->GetLast();
if (n != NULL)
m_Children->DeleteNode(n);
}
}
bool TXmlItem::Read(wxInputStream& inf)
{
int res = ReadTag(inf);
// Ignora la eventuale riga <?xml version="1.0" encoding="UTF-8" ?>
if (res == 0 && GetTag()[0] == '?')
res = ReadTag(inf);
if (res > 0) // There are children ahead
{
while (!inf.Eof())
{
TXmlItem& item = AddChild("/"); // Add dummy child
if (item.Read(inf))
{
if (item.m_strTag[0u] == '/')
break;
}
else
break;
}
RemoveLastChild(); // Remove dummy child
}
return res >= 0;
}
TXmlItem* TXmlItem::ForEach(XmlItemCallback cb, void* jolly)
{
if (cb(*this, jolly))
return this;
for (int n = 0; ; n++)
{
TXmlItem* c = GetChild(n);
if (c == NULL)
break;
c = c->ForEach(cb, jolly);
if (c)
return c;
}
return NULL;
}
static bool GetEnclosedTextCallback(TXmlItem& item, void* jolly)
{
wxString* strText = (wxString*)jolly;
const wxString& str = item.GetText();
if (!str.IsEmpty())
{
if (!strText->IsEmpty())
*strText << " ";
*strText << str;
}
return false;
}
wxString TXmlItem::GetEnclosedText() const
{
wxString text;
((TXmlItem*)this)->ForEach(GetEnclosedTextCallback, &text);
return text;
}
TXmlItem& TXmlItem::AddEnclosedText(const wxChar* str)
{
TXmlItem* item = FindFirst("");
if (item == NULL)
item = &AddChild("");
item->m_strText += str;
return *item;
}
TXmlItem& operator<<(TXmlItem& item, const wxChar* str)
{
item.AddEnclosedText(str);
return item;
}
void TXmlItem::Write(wxOutputStream& outf, int tab) const
{
if (!GetTag().IsEmpty())
{
Spaces(outf, tab);
outf << "<" << GetTag();
if (m_Attributes != NULL)
{
m_Attributes->BeginFind();
for (wxHashTable::Node* pNode = m_Attributes->Next(); pNode; pNode = m_Attributes->Next())
{
outf << " " << pNode->GetKeyString() << "=";
const TXmlAttr* attr = (const TXmlAttr*)pNode->GetData();
attr->Write(outf);
}
}
if (GetChildren() > 0)
{
outf << ">";
int n;
for (n = 0; ; n++)
{
TXmlItem* c = GetChild(n);
if (c == NULL)
break;
c->Write(outf, tab+1);
}
if (GetChild(n-1)->GetText().IsEmpty())
Spaces(outf, tab);
outf << "</" << GetTag() << ">";
}
else
outf << " />";
}
else
outf << GetText();
}
wxString TXmlItem::AsString() const
{
wxString str;
for (size_t nSize = 8192; ; nSize *= 2)
{
wxChar* buf = str.GetWriteBuf(nSize);
memset(buf, 0, nSize);
wxMemoryOutputStream outf(buf, nSize);
Write(outf, 0);
str.UngetWriteBuf();
if (buf[nSize-1] == '\0')
break;
}
return str;
}
void TXmlItem::Save(const wxChar* strFilename) const
{
wxFileOutputStream outf(strFilename);
Write(outf, 0);
}
static bool FindFirstCallback(TXmlItem& item, void* jolly)
{
const wxChar* strTag = (const wxChar*)jolly;
return item.GetTag() == strTag;
}
TXmlItem* TXmlItem::FindFirst(const wxChar* strTag) const
{
return ((TXmlItem*)this)->ForEach(FindFirstCallback, (void*)strTag);
}
TXmlItem::TXmlItem()
: m_Attributes(NULL), m_Children(NULL)
{ }
TXmlItem::~TXmlItem()
{
if (m_Attributes)
delete m_Attributes;
if (m_Children)
delete m_Children;
}