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// Copyright (c) 1996 James Clark
// See the file copying.txt for copying permission.
#include "stylelib.h"
#include "StyleEngine.h"
#include "Interpreter.h"
#include "InterpreterMessages.h"
#include "SchemeParser.h"
#include "FOTBuilder.h"
#include "DssslSpecEventHandler.h"
#include <OpenSP/ArcEngine.h>
#include "ProcessContext.h"
#include <OpenSP/macros.h>
#include <OpenSP/InternalInputSource.h>
#include <OpenSP/OutputCharStream.h>
#include <OpenSP/OutputByteStream.h>
#include "DocumentGenerator.h"
#ifdef DSSSL_NAMESPACE
namespace DSSSL_NAMESPACE {
#endif
StyleEngine::StyleEngine(Messenger &mgr,
GroveManager &groveManager,
int unitsPerInch,
bool debugMode,
bool dsssl2,
bool strictMode,
const FOTBuilder::Description &fotbDescr,
const CodingSystem *out)
: interpreter_(0),
mgr_(&mgr), groveManager_(&groveManager),
unitsPerInch_(unitsPerInch), debugMode_(debugMode),
dsssl2_(dsssl2), strictMode_(strictMode),
fotbDescr_(&fotbDescr), outputCodingSystem_(out)
{
// FIXME: this is super-ugly. We can't construct the Interpreter
// right away, since we don't know if its a SL/TL context until
// we have parsed the spec. Thus we have to store all constructor
// args until then.
}
void StyleEngine::defineVariable(const StringC &str, StringC &cmdline)
{
// Dk: Interpret "name=value" as a string variable Setting.
if (str[0] == '(') {
cmdline += str;
}
else {
int i;
for (i = 0; (i < str.size()) && (str[i] != '='); i++)
;
// Dk: Not name=value?
if (!i || (i >= (str.size()))) {
cmdline += interpreter_->makeStringC("(define ");
cmdline += str;
cmdline += interpreter_->makeStringC(" #t)");
}
else {
// Dk: name=value.
cmdline += interpreter_->makeStringC("(define ");
cmdline += StringC(str.begin(), i);
cmdline += interpreter_->makeStringC(" \"");
if (str.size() - (i + 1) > 0);
cmdline += StringC(str.begin() + i + 1, str.size() - (i + 1));
cmdline += interpreter_->makeStringC("\")");
}
}
}
void StyleEngine::parseSpec(SgmlParser &specParser,
const CharsetInfo &charset,
const StringC &id,
Messenger &mgr,
const Vector<StringC> &defVars)
{
DssslSpecEventHandler specHandler(mgr);
Vector<DssslSpecEventHandler::Part *> parts;
specHandler.load(specParser, charset, id, parts);
interpreter_ = new Interpreter(groveManager_, mgr_, unitsPerInch_,
debugMode_, dsssl2_,
parts.size() > 0 ? parts[0]->style() : 1,
strictMode_, *fotbDescr_);
for (int phase = 0; phase < 3; phase++) {
for (size_t i = 0; i < parts.size(); i++) {
DssslSpecEventHandler::Part::DIter diter(parts[i]->doc()->diter());
bool local = 0;
do {
if (local)
diter = parts[i]->diter();
local = !local;
for (; !diter.done(); diter.next()) {
// parse in three phases:
// 1. features
// 2. char-repertoire, standard-chars, other-chars
// 3. the rest
if (diter.cur()->type() == DssslSpecEventHandler::DeclarationElement::features ? phase == 0 :
((diter.cur()->type() == DssslSpecEventHandler::DeclarationElement::charRepertoire ||
diter.cur()->type() == DssslSpecEventHandler::DeclarationElement::standardChars)
? phase == 1
: phase == 2)) {
if (diter.cur()->type() == DssslSpecEventHandler::DeclarationElement::sgmlGrovePlan) {
Owner<InputSource> in(new InternalInputSource(
diter.cur()->modadd(), InputSourceOrigin::make()));
SchemeParser scm(*interpreter_, in);
scm.parseGrovePlan();
}
else {
Owner<InputSource> in;
diter.cur()->makeInputSource(specHandler, in);
SchemeParser scm(*interpreter_, in);
switch (diter.cur()->type()) {
case DssslSpecEventHandler::DeclarationElement::charRepertoire:
interpreter_->setCharRepertoire(diter.cur()->name());
break;
case DssslSpecEventHandler::DeclarationElement::standardChars:
scm.parseStandardChars();
break;
case DssslSpecEventHandler::DeclarationElement::mapSdataEntity:
scm.parseMapSdataEntity(diter.cur()->name(), diter.cur()->text());
break;
case DssslSpecEventHandler::DeclarationElement::addNameChars:
scm.parseNameChars();
break;
case DssslSpecEventHandler::DeclarationElement::addSeparatorChars:
scm.parseSeparatorChars();
break;
case DssslSpecEventHandler::DeclarationElement::features:
scm.parseFeatures();
break;
default:
interpreter_->message(
InterpreterMessages::unsupportedDeclaration);
break;
}
}
}
}
} while (local);
interpreter_->dEndPart();
}
}
if (defVars.size() > 0) {
StringC cmdline;
for (size_t i = 0; i < defVars.size(); i++)
defineVariable(defVars[i], cmdline);
Owner<InputSource> in(new InternalInputSource(cmdline,
InputSourceOrigin::make()));
SchemeParser scm(*interpreter_, in);
scm.parse();
interpreter_->endPart();
}
for (size_t i = 0; i < parts.size(); i++) {
for (DssslSpecEventHandler::Part::Iter iter(parts[i]->iter());
!iter.done();
iter.next()) {
Owner<InputSource> in;
iter.cur()->makeInputSource(specHandler, in);
if (in) {
SchemeParser scm(*interpreter_, in);
scm.parse();
}
}
interpreter_->endPart();
}
}
StyleEngine::~StyleEngine()
{
delete interpreter_;
}
void StyleEngine::process(const NodePtr &node, FOTBuilder &fotb)
{
interpreter_->compile(node);
if (interpreter_->style()) {
ProcessContext context(*interpreter_, fotb);
context.process(node);
}
else {
FileOutputByteStream outputFile_;
if (outputFile_.open("jade-grove.out")) {
DocumentGenerator docgen(interpreter_, new RecordOutputCharStream(
new EncodeOutputCharStream(&outputFile_,
outputCodingSystem_)));
docgen.emit(node);
}
}
}
#ifdef DSSSL_NAMESPACE
}
#endif
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