diff --git a/textmodel.cc b/textmodel.cc
index bc76a32798a9feff7848e7014bc6ca5ece906244..7afc34c7983ccaf56ee3cb37ca05a92a1cb0de4a 100644 (file)
--- a/textmodel.cc
+++ b/textmodel.cc
#include <reader.h>
#include <vector>
#include <reader.h>
#include <vector>
+#include <assert.h>
namespace odc {
const std::string TextModel::TYPENAME("TextModels.Model^");
namespace odc {
const std::string TextModel::TYPENAME("TextModels.Model^");
-const TypeProxy<TextModel> TextModel::PROXY;
+const TypeProxy<TextModel, ContainerModel> TextModel::PROXY;
TextModel::TextModel(INTEGER id) : ContainerModel(id) {}
TextModel::TextModel(INTEGER id) : ContainerModel(id) {}
-const std::string &TextModel::getType() {
- return TYPENAME;
-}
-
-const std::string *TextModel::getSuper() {
- return &ContainerModel::getType();
-}
-
const std::string &TextModel::getTypeName() const {
const std::string &TextModel::getTypeName() const {
- return getType();
+ return TYPENAME;
}
void TextModel::internalize(Reader &reader) {
}
void TextModel::internalize(Reader &reader) {
}
const std::string StdTextModel::TYPENAME("TextModels.StdModel^");
}
const std::string StdTextModel::TYPENAME("TextModels.StdModel^");
-const TypeProxy<StdTextModel> StdTextModel::PROXY;
+const TypeProxy<StdTextModel, TextModel> StdTextModel::PROXY;
-StdTextModel::StdTextModel(INTEGER id) : TextModel(id) {}
-
-const std::string &StdTextModel::getType() {
- return TYPENAME;
-}
-
-const std::string *StdTextModel::getSuper() {
- return &TextModel::getType();
-}
+StdTextModel::StdTextModel(INTEGER id) : TextModel(id), d_pieces() {}
const std::string &StdTextModel::getTypeName() const {
const std::string &StdTextModel::getTypeName() const {
- return getType();
+ return TYPENAME;
}
/*
}
/*
reader.readVersion(0, 1);
if (reader.isCancelled()) return;
reader.readVersion(0, 1);
if (reader.isCancelled()) return;
- std::vector<Store *> dict;
- INTEGER len = reader.readInt();
+ std::vector<Store *> dict; // attribute dictionary
+
+ // reads the meta-data
+ INTEGER len = reader.readInt(); // lenght of meta-data section
BYTE ano = reader.readByte();
BYTE ano = reader.readByte();
- std::cout << "len " << len << " ano " << (int)ano << std::endl;
while (ano != -1) {
while (ano != -1) {
+ // This part reads the piece's attributes. These are ignored for now,
+ // but may be needed in the future.
if (ano == dict.size()) {
if (ano == dict.size()) {
- Store *attr = reader.readStore(); // readAttributes(); Stores.Join(t, attr)
- dict.push_back(attr);
+ dict.push_back(reader.readStore());
}
}
+ Store *attr = dict[ano];
+
INTEGER pieceLen = reader.readInt();
if (pieceLen > 0) { // shortchar piece
INTEGER pieceLen = reader.readInt();
if (pieceLen > 0) { // shortchar piece
- std::cout << "Found SChar piece" << std::endl;
-// NEW(sp); sp.len := len; sp.attr := attr;
-// sp.file := rd.rider.Base(); sp.org := org; un := sp;
-// INC(org, len) -- increment org by len ?
+ d_pieces.push_back(new ShortPiece(pieceLen));
} else if (pieceLen < 0) { // longchar piece
} else if (pieceLen < 0) { // longchar piece
- std::cout << "Found LChar piece" << std::endl;
-// len := -len; ASSERT(~ODD(len), 100);
-// NEW(lp); lp.len := len DIV 2; lp.attr := attr;
-// lp.file := rd.rider.Base(); lp.org := org; un := lp;
-// INC(org, len) -- increment org by len ?
+ assert(pieceLen % 2 == 0);
+ d_pieces.push_back(new LongPiece(-pieceLen / 2));
} else { // embedded view
} else { // embedded view
- reader.readInt(); reader.readInt();
- Store *view = reader.readStore(); // fixme: save somewhere
-// NEW(v); v.len := 1; v.attr := attr;
-// rd.ReadInt(v.w); rd.ReadInt(v.h); Views.ReadView(rd, v.view);
-// v.view.InitContext(NewContext(v, t));
-// un := v; INC(org) -- increment org by one?? WTH?
+ reader.readInt(); reader.readInt(); // view width + height: ignore
+ Store *view = reader.readStore();
+ d_pieces.push_back(new ViewPiece(view));
}
ano = reader.readByte();
}
}
ano = reader.readByte();
}
-// rd.SetPos(org);
-}
-// PROCEDURE (t: StdModel) Internalize (VAR rd: Stores.Reader);
-// VAR u, un: Run; sp: Piece; lp: LPiece; v: ViewRef;
-// org, len: INTEGER; ano: BYTE; thisVersion: INTEGER;
-// attr: Attributes; dict: AttrDict;
-// BEGIN
-// ASSERT(t.Domain() = NIL, 20); ASSERT(t.len = 0, 21);
-// t.Internalize^(rd); IF rd.cancelled THEN RETURN END;
-// rd.ReadVersion(minVersion, maxStdModelVersion, thisVersion);
-// IF rd.cancelled THEN RETURN END;
-// StdInit(t);
-// dict.len := 0; u := t.trailer;
-// rd.ReadInt(len); org := rd.Pos() + len;
-// rd.ReadByte(ano);
-// WHILE ano # -1 DO
-// IF ano = dict.len THEN
-// ReadAttr(rd, attr); Stores.Join(t, attr);
-// IF dict.len < dictSize THEN dict.attr[dict.len] := attr; INC(dict.len) END
-// ELSE
-// attr := dict.attr[ano]
-// END;
-// rd.ReadInt(len);
-// IF len > 0 THEN (* piece *)
-// NEW(sp); sp.len := len; sp.attr := attr;
-// sp.file := rd.rider.Base(); sp.org := org; un := sp;
-// INC(org, len)
-// ELSIF len < 0 THEN (* longchar piece *)
-// len := -len; ASSERT(~ODD(len), 100);
-// NEW(lp); lp.len := len DIV 2; lp.attr := attr;
-// lp.file := rd.rider.Base(); lp.org := org; un := lp;
-// INC(org, len)
-// ELSE (* len = 0 => embedded view *)
-// NEW(v); v.len := 1; v.attr := attr;
-// rd.ReadInt(v.w); rd.ReadInt(v.h); Views.ReadView(rd, v.view);
-// v.view.InitContext(NewContext(v, t));
-// un := v; INC(org)
-// END;
-// INC(t.len, un.len); u.next := un; un.prev := u; u := un;
-// rd.ReadByte(ano)
-// END;
-// rd.SetPos(org);
-// u.next := t.trailer; t.trailer.prev := u
-// END Internalize;
-//
+
+ // reads the pieces described in the meta-data
+ for (int i = 0; i < d_pieces.size(); ++i) {
+ d_pieces[i]->read(reader);
+ }
+
+ // free memory from stores in the dictionary
+ for (int i = 0; i < dict.size(); ++i) {
+ delete dict[i];
+ }
+}
+
+std::string StdTextModel::toString() {
+ std::string sofar = "StdTextModel { ";
+ for (int i = 0; i < d_pieces.size(); ++i) {
+ sofar += d_pieces[i]->toString() + " ";
+ }
+ return sofar + "}";
+}
+
+void StdTextModel::accept(Visitor &visitor) const {
+ visitor.partStart();
+ for (int i = 0; i < d_pieces.size(); ++i) {
+ d_pieces[i]->accept(visitor);
+ }
+ visitor.partEnd();
+}
+
+TextPiece::TextPiece(size_t len): d_len(len) {}
+
+unsigned TextPiece::size() const {
+ return d_len;
+}
+
+LongPiece::LongPiece(size_t len): TextPiece(len * 2) {}
+
+LongPiece::~LongPiece() {
+ delete d_buf;
+}
+
+void LongPiece::read(Reader &reader) {
+ d_buf = new CHAR[d_len / 2 + 1];
+ reader.readLChar(d_buf, d_len / 2);
+ d_buf[d_len / 2] = 0;
+}
+
+std::string LongPiece::toString() const {
+ return std::string("LongPiece(FIXME)");
+}
+
+CHAR* LongPiece::getBuffer() const {
+ return d_buf;
+}
+
+void LongPiece::accept(Visitor &visitor) const {
+ visitor.textLongPiece(this);
+}
+
+ShortPiece::ShortPiece(size_t len): TextPiece(len) {}
+
+ShortPiece::~ShortPiece() {
+ delete d_buf;
+}
+
+void ShortPiece::read(Reader &reader) {
+ d_buf = new SHORTCHAR[d_len + 1];
+ reader.readSChar(d_buf, d_len);
+ d_buf[d_len] = 0;
+}
+
+std::string ShortPiece::toString() const {
+ return std::string("ShortPiece(") + std::string(d_buf) + std::string(")");
+}
+
+SHORTCHAR* ShortPiece::getBuffer() const {
+ return d_buf;
+}
+
+void ShortPiece::accept(Visitor &visitor) const {
+ visitor.textShortPiece(this);
+}
+
+ViewPiece::ViewPiece(Store *view): TextPiece(1), d_view(view) {}
+
+ViewPiece::~ViewPiece() {
+ delete d_view;
+}
+
+void ViewPiece::read(Reader &reader) {
+ reader.readByte();
+}
+
+std::string ViewPiece::toString() const {
+ return std::string("ViewPiece { ") + d_view->toString() + " }";
+}
+
+void ViewPiece::accept(Visitor &visitor) const {
+ return d_view->accept(visitor);
+}
} // namespace odc
} // namespace odc