mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
793 lines
14 KiB
C++
793 lines
14 KiB
C++
#include "Core.h"
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NAMESPACE_UPP
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#define LLOG(x) // LOG(x);
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String DeXml(const char *s, byte charset, bool escapelf)
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{
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if(charset == CHARSET_DEFAULT)
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charset = GetDefaultCharset();
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StringBuffer result;
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for(; *s; s++)
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/**/ if(*s == '<') result.Cat("<");
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else if(*s == '>') result.Cat(">");
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else if(*s == '&') result.Cat("&");
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else if(*s == '\'') result.Cat("'");
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else if(*s == '\"') result.Cat(""");
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else if((byte)*s < ' ' && (escapelf || *s != '\n')) result.Cat(NFormat("&#x%02x;", (byte)*s));
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else if(!(*s & 0x80) || charset == CHARSET_UTF8) result.Cat(*s);
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else result.Cat(ToUtf8(ToUnicode(*s, charset)));
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return result;
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}
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String XmlHeader(const char *encoding, const char *version, const char *standalone)
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{
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StringBuffer r;
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r << "<?xml version=\"" << version << "\" encoding=\"" << encoding << "\" standalone=\""
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<< standalone << "\" ?>\r\n";
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return r;
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}
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String XmlPI(const char *text)
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{
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StringBuffer r;
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r << "<?" << text << "?>\r\n";
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return r;
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}
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String XmlDecl(const char *text)
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{
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StringBuffer r;
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r << "<!" << text << ">\r\n";
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return r;
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}
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String XmlDocType(const char *text)
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{
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return XmlDecl("DOCTYPE " + String(text));
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}
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String XmlDoc(const char *name, const char *xmlbody)
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{
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return XmlHeader() + XmlDocType(name) + XmlTag(name)(xmlbody);
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}
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String XmlComment(const char *text)
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{
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StringBuffer out;
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out << "<!-- " << text << " -->\r\n";
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return out;
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}
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XmlTag& XmlTag::Tag(const char *s)
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{
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tag.Clear();
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end.Clear();
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tag << '<' << s;
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end << "</" << s << ">\r\n";
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return *this;
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}
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String XmlTag::operator()()
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{
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return tag + "/>\r\n";
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}
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String XmlTag::operator()(const char* text)
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{
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StringBuffer r;
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r << tag << '>';
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if(strchr(text, '\n')) {
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r << "\r\n";
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bool tab = true;
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while(*text) {
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if(tab)
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r << '\t';
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int c = (byte)*text++;
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tab = c == '\n';
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if(tab)
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r << "\r\n";
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else
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if(c == '\t' || c >= 32)
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r.Cat(c);
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}
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}
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else
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r << text;
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r << end;
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return r;
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}
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String XmlTag::Text(const char *text, byte charset)
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{
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StringBuffer r;
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return r << tag << '>' << DeXml(text, charset) << end;
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}
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XmlTag& XmlTag::operator()(const char *attr, const char *val)
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{
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tag << ' ' << attr << "=\"" << DeXml(val, CHARSET_DEFAULT, true) << "\"";
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return *this;
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}
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XmlTag& XmlTag::operator()(const char *attr, int q)
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{
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return operator()(attr, AsString(q));
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}
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XmlTag& XmlTag::operator()(const char *attr, double q)
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{
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return operator()(attr, AsString(q));
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}
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void XmlParser::Ent(StringBuffer& out)
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{
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int outconst = 0;
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const char *t = ++term;
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if(*t == '#') {
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if(*++t == 'X' || *t == 'x') {
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for(byte c; (c = ctoi(*++t)) < 16; outconst = 16 * outconst + c)
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;
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}
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else {
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while(IsDigit(*t))
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outconst = 10 * outconst + *t++ - '0';
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}
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out.Cat(ToUtf8(outconst));
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if(*t == ';')
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t++;
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term = t;
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return;
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}
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if(t[0] == 'l' && t[1] == 't' && t[2] == ';') {
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t += 3;
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out.Cat('<');
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}
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else
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if(t[0] == 'g' && t[1] == 't' && t[2] == ';') {
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t += 3;
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out.Cat('>');
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}
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else
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if(t[0] == 'a')
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if(t[1] == 'm' && t[2] == 'p' && t[3] == ';') {
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t += 4;
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out.Cat('&');
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}
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else
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if(t[1] == 'p' && t[2] == 'o' && t[3] == 's' && t[4] == ';') {
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t += 5;
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out.Cat('\'');
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}
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else
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out.Cat('&');
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else
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if(t[0] == 'q' && t[1] == 'u' && t[2] == 'o' && t[3] == 't' && t[4] == ';') {
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t += 5;
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out.Cat('\"');
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}
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else
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out.Cat('&');
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term = t;
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}
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inline static bool IsXmlNameChar(int c)
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{
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return IsAlNum(c) || c == '.' || c == '-' || c == '_' || c == ':';
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}
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void XmlParser::SkipWhites()
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{
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while(*term && (byte)*term <= ' ') {
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if(*term == '\n')
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line++;
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term++;
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}
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}
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void XmlParser::ReadAttr(StringBuffer& attrval, int c)
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{
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term++;
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while(*term && *term != c)
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if(*term == '&')
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Ent(attrval);
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else {
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const char *e = term;
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while(*++e && *e != '&' && *e != c)
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;
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attrval.Cat(term, (int)(e - term));
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term = e;
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}
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if(*term == c)
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term++;
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}
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void XmlParser::Next()
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{
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nattr.Clear();
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nattr1 = nattrval1 = Null;
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if(empty_tag) {
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empty_tag = false;
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type = XML_END;
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return;
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}
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text.Clear();
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type = XML_EOF;
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if(!npreserve)
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SkipWhites();
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if(*term == '<') {
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term++;
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if(*term == '!') {
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type = XML_DECL;
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term++;
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if(term[0] == '-' && term[1] == '-') {
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type = XML_COMMENT;
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term += 2;
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for(;;) {
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if(term[0] == '-' && term[1] == '-' && term[2] == '>')
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break;
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if(*term == '\0') {
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throw XmlError("Unterminated comment");
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type = XML_EOF;
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return;
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}
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if(*term == '\n')
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line++;
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text.Cat(*term++);
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}
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term += 3;
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return;
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}
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bool intdt = false;
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for(;;) {
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if (*term == '[')
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intdt = true;
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if(*term == '>' && intdt == false) {
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term++;
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break;
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}
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if(intdt == true && term[0] == ']' && term[1] == '>') {
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text.Cat(*term++);
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term++;
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break;
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}
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if(*term == '\0')
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throw XmlError("Unterminated declaration");
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if(*term == '\n')
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line++;
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text.Cat(*term++);
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}
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}
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else
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if(*term == '?') {
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type = XML_PI;
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term++;
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for(;;) {
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if(term[0] == '?' && term[1] == '>') {
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term += 2;
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return;
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}
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if(*term == '\0')
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throw XmlError("Unterminated processing info");
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if(*term == '\n')
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line++;
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text.Cat(*term++);
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}
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}
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else
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if(*term == '/') {
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type = XML_END;
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term++;
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const char *t = term;
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while(IsXmlNameChar(*term))
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term++;
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text = String(t, term);
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if(*term != '>')
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throw XmlError("Unterminated end-tag");
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term++;
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}
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else {
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type = XML_TAG;
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const char *t = term;
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while(IsXmlNameChar(*term))
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term++;
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text = String(t, term);
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for(;;) {
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SkipWhites();
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if(*term == '>') {
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term++;
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break;
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}
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if(term[0] == '/' && term[1] == '>') {
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empty_tag = true;
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term += 2;
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break;
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}
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if(*term == '\0')
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throw XmlError("Unterminated tag");
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const char *t = term++;
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while((byte)*term > ' ' && *term != '=' && *term != '>')
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term++;
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String attr(t, term);
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SkipWhites();
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if(*term == '=') {
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term++;
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SkipWhites();
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StringBuffer attrval;
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if(*term == '\"')
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ReadAttr(attrval, '\"');
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else
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if(*term == '\'')
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ReadAttr(attrval, '\'');
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else
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while((byte)*term > ' ' && *term != '>' && *term != '/')
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if(*term == '&')
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Ent(attrval);
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else {
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const char *e = term;
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while((byte)*++e > ' ' && *e != '>' && *e != '&')
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;
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attrval.Cat(term,(int) (e - term));
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term = e;
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}
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if(attr == "xml:space" && attrval.GetLength() == 8 && !memcmp(~attrval, "preserve", 8))
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npreserve = true;
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String aval = FromUtf8(~attrval, attrval.GetLength()).ToString();
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if(IsNull(nattr1)) {
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nattr1 = attr;
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nattrval1 = aval;
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}
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else
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nattr.Add(attr, aval);
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}
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}
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}
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}
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else if(*term == 0)
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type = XML_EOF;
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else {
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StringBuffer raw_text;
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while(*term != '<' && *term) {
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if(*term == '\n')
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line++;
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if(*term == '&')
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Ent(raw_text);
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else {
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const char *e = term;
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while(*++e && *e != '&' && *e != '<')
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;
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raw_text.Cat(term, (int)(e - term));
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term = e;
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}
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}
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const char *re = raw_text.End();
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if(!npreserve) {
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while(re > raw_text.Begin() && (byte)re[-1] <= ' ')
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re--;
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}
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text = FromUtf8(~raw_text, (int)(re - ~raw_text)).ToString();
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type = XML_TEXT;
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}
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}
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bool XmlParser::IsEof()
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{
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return type == XML_EOF;
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}
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bool XmlParser::IsTag()
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{
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return type == XML_TAG;
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}
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String XmlParser::ReadTag()
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{
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if(type != XML_TAG)
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throw XmlError("Expected tag");
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LLOG("ReadTag " << text);
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String h = text;
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stack.Add(Nesting(h, npreserve));
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attr = nattr;
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attr1 = nattr1;
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attrval1 = nattrval1;
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Next();
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return h;
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}
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bool XmlParser::Tag(const char *tag)
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{
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if(IsTag() && text == tag) {
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LLOG("Tag " << text);
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stack.Add(Nesting(text, npreserve));
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attr = nattr;
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attr1 = nattr1;
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attrval1 = nattrval1;
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Next();
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return true;
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}
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return false;
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}
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bool XmlParser::Tag(const String& tag)
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{
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if(IsTag() && text == tag) {
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LLOG("Tag " << text);
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stack.Add(Nesting(text, npreserve));
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attr = nattr;
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attr1 = nattr1;
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attrval1 = nattrval1;
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Next();
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return true;
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}
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return false;
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}
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void XmlParser::PassTag(const char *tag)
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{
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if(!Tag(tag))
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throw XmlError(String().Cat() << '\'' << tag << "'\' tag expected");
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}
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void XmlParser::PassTag(const String& tag)
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{
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if(!Tag(tag))
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throw XmlError(String().Cat() << '\'' << tag << "'\' tag expected");
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}
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bool XmlParser::IsEnd()
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{
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return type == XML_END;
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}
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bool XmlParser::End()
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{
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if(IsEof())
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throw XmlError("Unexpected end of file");
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if(IsEnd()) {
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LLOG("EndTag " << text);
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if(stack.IsEmpty())
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throw XmlError(NFormat("Unexpected end-tag: </%s>", text));
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if(stack.Top().tag != text && !relaxed) {
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LLOG("Tag/end-tag mismatch: <" << stack.Top().tag << "> </" << text << ">");
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throw XmlError(NFormat("Tag/end-tag mismatch: <%s> </%s>", stack.Top().tag, text));
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}
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stack.Drop();
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npreserve = (!stack.IsEmpty() && stack.Top().preserve_blanks);
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Next();
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return true;
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}
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return false;
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}
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void XmlParser::PassEnd()
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{
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if(!End())
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throw XmlError(String().Cat() << "Expected \'" << (stack.GetCount() ? stack.Top().tag : String()) << "\' end-tag");
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}
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bool XmlParser::TagE(const char *tag)
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{
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if(Tag(tag)) {
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PassEnd();
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return true;
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}
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return false;
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}
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void XmlParser::PassTagE(const char *tag)
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{
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PassTag(tag);
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PassEnd();
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}
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VectorMap<String, String> XmlParser::PickAttrs() pick_
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{
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if(!IsNull(attr1))
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const_cast<VectorMap<String, String>&>(attr).Insert(0, attr1, attrval1);
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return attr;
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}
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int XmlParser::Int(const char *id, int def) const
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{
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if(id == attr1) return ScanInt(attrval1);
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int q = attr.Find(id);
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return q < 0 ? def : ScanInt(attr[q]);
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}
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double XmlParser::Double(const char *id, double def) const
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{
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if(id == attr1) return ScanDouble(attrval1);
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int q = attr.Find(id);
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return q < 0 ? def : ScanDouble(attr[q]);
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}
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bool XmlParser::IsText()
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{
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return type == XML_TEXT;
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}
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String XmlParser::ReadText()
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{
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if(!IsText())
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return String();
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String h = text;
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Next();
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return h;
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}
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String XmlParser::ReadTextE()
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{
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String out;
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while(!IsEnd())
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if(IsText())
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out.Cat(ReadText());
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else
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Skip();
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PassEnd();
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return out;
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}
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bool XmlParser::IsDecl()
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{
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return type == XML_DECL;
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}
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String XmlParser::ReadDecl()
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{
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if(!IsDecl())
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throw XmlError("Declaration expected");
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String h = text;
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Next();
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return h;
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}
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bool XmlParser::IsPI()
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{
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return type == XML_PI;
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}
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String XmlParser::ReadPI()
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{
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if(!IsPI())
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throw XmlError("Processing info expected");
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String h = text;
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Next();
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return h;
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}
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bool XmlParser::IsComment()
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{
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return type == XML_COMMENT;
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}
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String XmlParser::ReadComment()
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{
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if(!IsComment())
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throw XmlError("Comment expected");
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String h = text;
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Next();
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return h;
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}
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void XmlParser::Skip()
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{
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if(IsEof())
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throw XmlError("Unexpected end of file");
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if(IsTag()) {
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String n = ReadTag();
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while(!End()) {
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if(IsEof())
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throw XmlError("Unexpected end of file expected when skipping tag \'" + n + "\'");
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Skip();
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}
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}
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else
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Next();
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}
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void XmlParser::SkipEnd()
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{
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while(!IsEnd()) Skip();
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PassEnd();
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}
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int XmlParser::GetColumn() const
|
|
{
|
|
const char *s = term;
|
|
int n = 1;
|
|
while(s > begin && *(s - 1) != '\n') {
|
|
s--;
|
|
n++;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
XmlParser::XmlParser(const char *s)
|
|
{
|
|
relaxed = false;
|
|
empty_tag = false;
|
|
npreserve = false;
|
|
begin = term = s;
|
|
line = 1;
|
|
Next();
|
|
}
|
|
|
|
int XmlNode::FindTag(const char *_tag) const
|
|
{
|
|
String tag = _tag;
|
|
for(int i = 0; i < node.GetCount(); i++)
|
|
if(node[i].type == XML_TAG && node[i].text == tag)
|
|
return i;
|
|
return -1;
|
|
}
|
|
|
|
XmlNode& XmlNode::Add(const char *tag)
|
|
{
|
|
XmlNode& m = node.Add();
|
|
m.CreateTag(tag);
|
|
return m;
|
|
}
|
|
|
|
XmlNode& XmlNode::GetAdd(const char *tag)
|
|
{
|
|
int q = FindTag(tag);
|
|
return q >= 0 ? node[q] : Add(tag);
|
|
}
|
|
|
|
const XmlNode& XmlNode::Void()
|
|
{
|
|
static XmlNode *h;
|
|
ONCELOCK {
|
|
static XmlNode empty;
|
|
h = ∅
|
|
}
|
|
return *h;
|
|
}
|
|
|
|
const XmlNode& XmlNode::operator[](const char *tag) const
|
|
{
|
|
int q = FindTag(tag);
|
|
return q < 0 ? Void() : node[q];
|
|
}
|
|
|
|
void XmlNode::Remove(const char *tag)
|
|
{
|
|
int q = FindTag(tag);
|
|
if(q >= 0)
|
|
node.Remove(q);
|
|
}
|
|
|
|
String XmlNode::GatherText() const
|
|
{
|
|
String r;
|
|
for(int i = 0; i < GetCount(); i++)
|
|
if(node[i].IsText())
|
|
r << node[i].GetText();
|
|
return r;
|
|
}
|
|
|
|
int XmlNode::AttrInt(const char *id, int def) const
|
|
{
|
|
String x = Attr(id);
|
|
CParser p(x);
|
|
return p.IsInt() ? p.ReadInt() : def;
|
|
}
|
|
|
|
XmlNode& XmlNode::SetAttr(const char *id, int i)
|
|
{
|
|
SetAttr(id, AsString(i));
|
|
return *this;
|
|
}
|
|
|
|
XmlNode& XmlNode::SetAttr(const char *id, const String& text)
|
|
{
|
|
attr.GetAdd(id) = text;
|
|
return *this;
|
|
}
|
|
|
|
bool Ignore(XmlParser& p, dword style)
|
|
{
|
|
if((XML_IGNORE_DECLS & style) && p.IsDecl() ||
|
|
(XML_IGNORE_PIS & style) && p.IsPI() ||
|
|
(XML_IGNORE_COMMENTS & style) && p.IsComment()) {
|
|
p.Skip();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static XmlNode sReadXmlNode(XmlParser& p, dword style)
|
|
{
|
|
XmlNode m;
|
|
if(p.IsTag()) {
|
|
m.CreateTag(p.ReadTag());
|
|
m.SetAttrsPick(p.PickAttrs());
|
|
while(!p.End())
|
|
if(!Ignore(p, style))
|
|
m.Add() = sReadXmlNode(p, style);
|
|
return m;
|
|
}
|
|
if(p.IsText()) {
|
|
m.CreateText(p.ReadText());
|
|
return m;
|
|
}
|
|
if(p.IsPI()) {
|
|
m.CreatePI(p.ReadPI());
|
|
return m;
|
|
}
|
|
if(p.IsDecl()) {
|
|
m.CreateDecl(p.ReadDecl());
|
|
return m;
|
|
}
|
|
if(p.IsComment()) {
|
|
m.CreateComment(p.ReadComment());
|
|
return m;
|
|
}
|
|
NEVER();
|
|
return m;
|
|
}
|
|
|
|
XmlNode ParseXML(XmlParser& p, dword style)
|
|
{
|
|
XmlNode r;
|
|
while(!p.IsEof())
|
|
if(!Ignore(p, style))
|
|
r.Add() = sReadXmlNode(p, style);
|
|
return r;
|
|
}
|
|
|
|
XmlNode ParseXML(const char *s, dword style)
|
|
{
|
|
XmlParser p(s);
|
|
return ParseXML(p, style);
|
|
}
|
|
|
|
String AsXML(const XmlNode& node, dword style)
|
|
{
|
|
StringBuffer r;
|
|
if(style & XML_HEADER)
|
|
r << XmlHeader();
|
|
if(style & XML_DOCTYPE)
|
|
for(int i = 0; i < node.GetCount(); i++) {
|
|
const XmlNode& m = node.Node(i);
|
|
if(m.GetType() == XML_TAG) {
|
|
r << XmlDocType(m.GetText());
|
|
break;
|
|
}
|
|
}
|
|
style &= ~(XML_HEADER|XML_DOCTYPE);
|
|
switch(node.GetType()) {
|
|
case XML_PI:
|
|
r << "<?" << node.GetText() << "?>\r\n";
|
|
break;
|
|
case XML_DECL:
|
|
r << "<!" << node.GetText() << ">\r\n";
|
|
break;
|
|
case XML_COMMENT:
|
|
r << "<!--" << node.GetText() << "-->\r\n";
|
|
break;
|
|
case XML_DOC:
|
|
for(int i = 0; i < node.GetCount(); i++)
|
|
r << AsXML(node.Node(i), style);
|
|
break;
|
|
case XML_TEXT:
|
|
r << DeXml(node.GetText());
|
|
break;
|
|
case XML_TAG:
|
|
XmlTag tag(node.GetText());
|
|
for(int i = 0; i < node.GetAttrCount(); i++)
|
|
tag(node.AttrId(i), node.Attr(i));
|
|
if(node.GetCount()) {
|
|
StringBuffer body;
|
|
for(int i = 0; i < node.GetCount(); i++)
|
|
body << AsXML(node.Node(i), style);
|
|
r << tag(~body);
|
|
}
|
|
else
|
|
r << tag();
|
|
}
|
|
return r;
|
|
}
|
|
|
|
END_UPP_NAMESPACE
|