X-Git-Url: https://deadsoftware.ru/gitweb?p=odcread.git;a=blobdiff_plain;f=odcread.cc;h=858028e6babf5e252ede8ade0c0f71d2946ceb4e;hp=27117ddeab85d2240d89bd82ce6a3c82d6ae7577;hb=41d9c65ec79728a8771cd2288dfc3458569c6801;hpb=9199c6da801c1555dadb23b230b400e3f1364abc

diff --git a/odcread.cc b/odcread.cc
index 27117dd..858028e 100644
--- a/odcread.cc
+++ b/odcread.cc
@@ -1,12 +1,96 @@
 #include <iostream>
 #include <fstream>
 #include <string>
+#include <stack>
 
 #include <oberon.h>
 #include <reader.h>
 #include <store.h>
+#include <textmodel.h>
+#include <visitor.h>
 
 namespace odc {
+	class Context {
+		public:
+		virtual void addPiece(std::string &piece) = 0;
+		virtual std::string getPlainText() const = 0;
+	};
+	class PartContext : public Context {
+		private:
+		std::string d_text;
+		public:
+		virtual void addPiece(std::string &piece) {
+			d_text += piece;
+		}
+		virtual std::string getPlainText() const {
+			return d_text;
+		}
+	};
+	class FoldContext : public Context {
+		private:
+		bool d_collapsed;
+		bool d_haveFirst; // flag that first part has been set
+		std::string d_firstPart;
+		std::string d_remainder;
+		public:
+		FoldContext(bool collapsed) : d_collapsed(collapsed), d_haveFirst(false) {}
+		virtual void addPiece(std::string &piece) {
+			if (!d_haveFirst) {
+				d_haveFirst = true;
+				d_firstPart = piece;
+			} else {
+				d_remainder += piece;
+			}
+		}
+		virtual std::string getPlainText() const {
+			if (d_collapsed) {
+				return std::string("##=>") + d_remainder + "\n" + d_firstPart +"##<=";
+			} else {
+				return std::string("##=>") + d_firstPart + "\n" + d_remainder +"##<=";
+			}
+		}
+	};
+
+	class MyVisitor : public Visitor {
+		private:
+		std::stack<Context*> d_context;
+
+		void terminateContext() {
+			Context *c = d_context.top();
+			d_context.pop();
+			if (d_context.empty()) {
+				std::cout << c->getPlainText() << std::endl;
+			} else {
+				std::string text = c->getPlainText();
+				d_context.top()->addPiece(text);
+			}
+			delete c;
+		}
+		
+		public:
+		virtual void partStart() {
+			d_context.push(new PartContext());
+		}
+		virtual void partEnd() {
+			terminateContext();
+		}
+		virtual void foldLeft(bool collapsed) {
+			d_context.push(new FoldContext(collapsed));
+		}
+		virtual void foldRight() {
+			terminateContext();
+		}
+		virtual void textShortPiece(const ShortPiece *piece) {
+			std::string text = piece->getText();
+			d_context.top()->addPiece(text);
+		}
+		virtual void textLongPiece(const LongPiece *piece) {
+			throw "Long Piece not handled";
+			//std::string text = piece->getText();
+			//d_context.top()->addPiece(text);
+		}
+	};
+
 	Store* importDocument(std::istream &is) {
 		const INTEGER docTag = 0x6F4F4443;
 		const INTEGER docVersion = 0;
@@ -29,12 +113,32 @@ int main(int argc, char *argv[]) {
 		return 1;
 	}
 	std::ifstream in(argv[1], std::ios::in | std::ios::binary);
-	odc::Store* s = odc::importDocument(in);
-	//std::cout << s->toString() << std::endl;
-	//std::cout << in.tellg() << " " << in.eof() << std::endl;
 
-	odc::TypePath path;
-	odc::ContainerModel(0).getTypePath(&path);
-	//std::cout << path.toString() << std::endl;
+	odc::Store* s;
+	try {
+		s = odc::importDocument(in);
+	} catch (int trap) {
+		std::cerr << "Exception in parsing file: BlackBox trap no. " << trap << std::endl;
+		return 2;
+	} catch (const char * exception) {
+		std::cerr << "Exception in parsing file: " << exception << std::endl;
+		return 2;
+	}
+//	std::cout << s->toPlainText() << std::endl;
+//	std::cout << std::endl << std::endl;
+
+	try {
+		odc::MyVisitor visitor;
+		s->accept(visitor);
+	} catch (const char * exception) {
+		std::cerr << "Exception in processing document: " << exception << std::endl;
+		return 3;
+	}
+//	std::cout << s->toString() << std::endl;
+//	std::cout << in.tellg() << " " << in.eof() << std::endl;
+
+//	odc::TypePath path;
+//	odc::ContainerModel(0).getTypePath(&path);
+//	std::cout << path.toString() << std::endl;
 	return 0;
 }