mirror of
https://github.com/ultimatepp/ultimatepp.git
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132 lines
No EOL
3.2 KiB
C++
132 lines
No EOL
3.2 KiB
C++
#include "Skylark.h"
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namespace Upp {
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String GetFileOnPath1(const char *file, const char *path)
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{
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String r = GetFileOnPath(file, path);
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return r;
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}
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String LoadTemplate(const char *file, const String& search_path, int lang)
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{
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String f = file;
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String path = GetFileOnPath1(f + '.' + ToLower(LNGAsText(lang)) + ".witz", search_path);
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if(IsNull(path)) {
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path = GetFileOnPath1(f + ".witz", search_path);
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if(IsNull(path)) {
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path = GetFileOnPath1(f, search_path);
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if(IsNull(path)) {
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#ifdef _DEBUG
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return "<hr/><h1>Missing template file " + EscapeHtml(String(file)) + "</h1>$set()<hr/>";
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#else
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throw Exc("missing template " + String(file));
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#endif
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}
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}
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}
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SKYLARKLOG("Loading template file " << path);
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FileIn in(path);
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String r;
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int lineno = 0;
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while(in && !in.IsEof()) {
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String line = in.GetLine();
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lineno++;
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CParser p(line);
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if(p.Char('#') && p.Id("include")) {
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String file = p.GetPtr();
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int q = file.Find(' ');
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if(q < 0)
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q = file.Find('\t');
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if(q >= 0)
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file = file.Mid(0, q);
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r << LoadTemplate(file, GetFileFolder(path) + ';' + search_path, lang);
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}
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else
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r << CParser::LineInfoComment(path, lineno) << line;
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r << "\n";
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}
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return r;
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}
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VectorMap<String, String> GetTemplateDefs(const char *file, int lang)
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{
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String s = LoadTemplate(file, SkylarkApp::Config().path, lang);
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VectorMap<String, String> def;
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int ti = def.FindAdd("MAIN");
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StringStream ss(s);
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while(!ss.IsEof()) {
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String line = ss.GetLine();
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CParser p(line);
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if(p.Char('#') && p.Id("define")) {
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String id = "MAIN";
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if(p.IsId())
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id = p.ReadId();
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ti = def.FindAdd(id);
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def[ti].Clear();
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def[ti] << p.GetLineInfoComment() << p.GetPtr();
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}
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else
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def[ti] << line << "\n";
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}
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return def;
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}
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String ReplaceVars(const String& src, const VectorMap<String, String>& def, int chr, Index<String>& expanded)
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{
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String r;
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const char *b = src;
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const char *s = b;
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for(;;) {
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s = strchr(s, chr);
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if(s) {
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r.Cat(b, s);
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if(s[1] == chr) {
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r.Cat(chr);
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b = s = s + 2;
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}
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else {
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b = s;
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CParser p(++s);
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if(p.IsId()) {
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String id = p.ReadId();
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int q = def.Find(id);
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if(q >= 0 && expanded.Find(id) < 0) {
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int ii = expanded.GetCount();
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expanded.Add(id); // prevent the same macro to be expanded again
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if(expanded.GetCount() < 20) // maximum number of nested expansion - recursion limit
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r.Cat(ReplaceVars(def[q], def, chr, expanded));
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b = s = p.GetSpacePtr();
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expanded.Trim(ii);
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}
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}
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}
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}
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else {
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r.Cat(b, src.End());
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return r;
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}
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}
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}
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String ReplaceVars(const String& src, const VectorMap<String, String>& def, int chr)
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{
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Index<String> expanded;
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return ReplaceVars(src, def, chr, expanded);
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}
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String GetPreprocessedTemplate(const String& name, int lang)
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{
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String id = "MAIN";
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String file = name;
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int q = file.Find(':');
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if(q >= 0) {
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id = file.Mid(q + 1);
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file = file.Mid(0, q);
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}
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VectorMap<String, String> def = GetTemplateDefs(file, lang);
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String r = ReplaceVars(def.Get(id, Null), def, '#');
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return Join(Split(r, '\n', false), "\r\n");
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}
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}; |