diff --git a/odcread.cc b/odcread.cc
index 6d506685882012eef28356b70f36ef21e8fd51cb..858028e6babf5e252ede8ade0c0f71d2946ceb4e 100644 (file)
--- a/odcread.cc
+++ b/odcread.cc
#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;
return 1;
}
std::ifstream in(argv[1], std::ios::in | std::ios::binary);
- odc::Store* s = odc::importDocument(in);
- std::cout << std::endl << std::endl;
- std::cout << s->toString() << std::endl;
- std::cout << in.tellg() << " " << in.eof() << 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;
+// odc::TypePath path;
+// odc::ContainerModel(0).getTypePath(&path);
+// std::cout << path.toString() << std::endl;
return 0;
}