bool CfgParser::ReadValue(const char *&p, string &value)
{
SkipWhites(p);
bool quoted = (*p=='"');
if(quoted) p++;
value.clear();
while(1)
{
if(quoted)
{
if(*p=='\n') return false;
if(*p=='"')
{
p++;
break;
}
}
else
if(*p==' ' || *p=='\t' || *p=='\r' || *p=='\n' || *p==';')
break;
if(*p=='\r' || *p=='\n')
return false;
if(*p!='\\')
value.push_back(*p++);
else
{
p++;
if(*p=='\r') p++; // CRLF version
if(*p=='\n') { } // do nothing
else if(*p=='n') value.push_back('\n');
else if(*p=='t') value.push_back('\t');
else if(*p=='"') value.push_back('"');
else return false;
}
}
SkipWhites(p);
if(*p!=';') return false;
p++;
return true;
}
bool CfgParser::ReadName(const char *&p, string &name, int &index)
{
SkipWhitesNL(p);
const char *n_begin, *n_end;
int _index = 0;
n_begin = p;
while(IsAlnum(*p) || *p == '_' || *p=='@' || *p=='$')
p++;
n_end = p;
SkipWhites(p);
if(*p=='[')
{
p++;
SkipWhites(p);
_index = ParseInt(p);
SkipWhites(p);
if(*p!=']') return false;
p++;
SkipWhites(p);
}
else if(*p=='*')
{
p++;
_index = auto_index++;
SkipWhites(p);
}
if(*p==':' || *p=='=')
p++;
else
{
SkipWhitesNL(p);
if(*p!='{') return false;
}
name.assign(n_begin, n_end-n_begin);
index = _index;
return true;
}
void XmlParser::Next()
{
nattr.Clear();
nattr1 = nattrval1 = Null;
if(empty_tag) {
empty_tag = false;
type = XML_END;
return;
}
type = Null;
StringBuffer raw_text;
for(;;) {
if(*term == '\0') {
type = XML_EOF;
return;
}
if(*term == '<') {
if(term[1] == '!' && term[2] == '[' &&
term[3] == 'C' && term[4] == 'D' && term[5] == 'A' && term[6] == 'T' && term[7] == 'A' &&
term[8] == '[') { // ![CDATA[
term += 9;
for(;;) {
if(*term == '\0')
throw XmlError("Unterminated CDATA");
if(term[0] == ']' && term[1] == ']' && term[2] == '>') { // ]]>
term += 3;
break;
}
if(*term == '\n')
line++;
raw_text.Cat(*term++);
}
type = XML_TEXT;
continue;
}
else
break;
}
if(*term == '\n')
line++;
if(*term == '&') {
Ent(raw_text);
type = XML_TEXT;
}
else {
if((byte)*term > ' ')
type = XML_TEXT;
raw_text.Cat(*term++);
}
}
cdata = FromUtf8(String(raw_text)).ToString();
if(cdata.GetCount() && (npreserve || preserveall))
type = XML_TEXT;
if(type == XML_TEXT)
return;
term++;
if(*term == '!') {
type = XML_DECL;
term++;
if(term[0] == '-' && term[1] == '-') {
type = XML_COMMENT;
term += 2;
for(;;) {
if(term[0] == '-' && term[1] == '-' && term[2] == '>')
break;
if(*term == '\0')
throw XmlError("Unterminated comment");
if(*term == '\n')
line++;
tagtext.Cat(*term++);
}
term += 3;
return;
}
bool intdt = false;
for(;;) {
if (*term == '[')
intdt = true;
if(*term == '>' && intdt == false) {
term++;
break;
}
if(intdt == true && term[0] == ']' && term[1] == '>') {
tagtext.Cat(*term++);
term++;
break;
}
if(*term == '\0')
throw XmlError("Unterminated declaration");
if(*term == '\n')
line++;
tagtext.Cat(*term++);
}
}
else
if(*term == '?') {
type = XML_PI;
term++;
for(;;) {
if(term[0] == '?' && term[1] == '>') {
term += 2;
return;
}
if(*term == '\0')
throw XmlError("Unterminated processing info");
if(*term == '\n')
line++;
tagtext.Cat(*term++);
}
}
else
if(*term == '/') {
type = XML_END;
term++;
const char *t = term;
while(IsXmlNameChar(*term))
term++;
tagtext = String(t, term);
if(*term != '>')
throw XmlError("Unterminated end-tag");
term++;
}
else {
type = XML_TAG;
const char *t = term;
while(IsXmlNameChar(*term))
term++;
tagtext = String(t, term);
for(;;) {
SkipWhites();
if(*term == '>') {
term++;
break;
}
if(term[0] == '/' && term[1] == '>') {
cdata.Clear();
empty_tag = true;
term += 2;
break;
}
if(*term == '\0')
throw XmlError("Unterminated tag");
const char *t = term++;
while((byte)*term > ' ' && *term != '=' && *term != '>')
term++;
String attr(t, term);
SkipWhites();
if(*term == '=') {
term++;
SkipWhites();
StringBuffer attrval;
if(*term == '\"')
ReadAttr(attrval, '\"');
else
if(*term == '\'')
ReadAttr(attrval, '\'');
else
while((byte)*term > ' ' && *term != '>' && *term != '/')
if(*term == '&')
Ent(attrval);
else {
const char *e = term;
while((byte)*++e > ' ' && *e != '>' && *e != '&')
;
attrval.Cat(term,(int) (e - term));
term = e;
}
if(attr == "xml:space" && attrval.GetLength() == 8 && !memcmp(~attrval, "preserve", 8))
npreserve = true;
String aval = FromUtf8(~attrval, attrval.GetLength()).ToString();
if(IsNull(nattr1)) {
nattr1 = attr;
nattrval1 = aval;
}
else
nattr.Add(attr, aval);
}
}
}
}
