//
// Author: Lorenzo Bettini <http://www.lorenzobettini.it>, (C) 2004-2008
//
// Copyright: See COPYING file that comes with this distribution
//
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <iostream>
#include "srchilite/highlightstatebuilder.hpp"
#include "asserttestexit.h"
#include "srchilite/regexrulefactory.h"
#include "srchilite/stringdef.h"
#include "srchilite/highlightstate.h"
#include "srchilite/highlightrule.h"
#include "srchilite/stringlistlangelem.h"
#include "srchilite/highlightbuilderexception.h"
#include <sstream>
#include "srchilite/highlightstateprinter.h"
#include "srchilite/delimitedlangelem.h"
#include "srchilite/namedsubexpslangelem.h"
#include "srchilite/statelangelem.h"
#include "logformatter.h"
#include "srchilite/sourcehighlighter.h"
#include "srchilite/formattermanager.h"
#include "stdboosterror.h"
using namespace std;
using namespace srchilite;
HighlightStatePrinter coutPrinter;
static StringListLangElem *createFooStringListLangElem();
static LangElems *createFooLangElems();
StringListLangElem *createFooStringListLangElem() {
 StringDefs *defs = new StringDefs;
 defs->push_back(new StringDef("foo"));
 return new StringListLangElem("foo", defs, false);
}
LangElems *createFooLangElems() {
 LangElems *elems = new LangElems;
 elems->add(createFooStringListLangElem());
 return elems;
}
static void check_log_entry(const FormatterLogEntry &e,
 const std::string &elem, const std::string &s);
void check_log_entry(const FormatterLogEntry &e, const std::string &elem,
 const std::string &s) {
 assertEquals(elem, e.first);
 assertEquals(s, e.second);
}
int main() {
 ostringstream os;
 RegexRuleFactory factory;
 HighlightStateBuilder builder(&factory);
 HighlightStatePtr mainState(new HighlightState());
 FormatterLog log;
 FormatterPtr normalFormatter = FormatterPtr(new LogFormatter(log, "normal"));
 FormatterPtr keywordFormatter = FormatterPtr(new LogFormatter(log, "keyword"));
 FormatterPtr commentFormatter = FormatterPtr(new LogFormatter(log, "comment"));
 FormatterManager formatterManager(normalFormatter);
 SourceHighlighter sourceHighlighter(mainState);
 sourceHighlighter.setFormatterManager(&formatterManager);
 formatterManager.addFormatter("keyword", keywordFormatter);
 formatterManager.addFormatter("comment", commentFormatter);
 StringDef *quoted = new StringDef("foo", true);
 StringDef *quoted2 = new StringDef("bar", true);
 StringDef *unquoted = new StringDef("ufoo", false);
 StringDef *unquoted2 = new StringDef("ubar", false);
 StringDefs *mixed = new StringDefs;
 mixed->push_back(quoted);
 mixed->push_back(unquoted);
 StringListLangElem mixedListElem("foo", mixed, false);
 try {
 builder.build_DB(&mixedListElem, mainState.get());
 // must not get here
 assertTrue(false);
 } catch (const HighlightBuilderException &e) {
 cout << e << endl; os << e; assertEquals("cannot mix double quoted and non double quoted\n" + stdBoostCausedBy(), os.str()); } // now check correct creation (with non mixed strings) quoted = new StringDef("foo", true); StringDefs *nonMixed = new StringDefs; nonMixed->push_back(quoted);
 nonMixed->push_back(quoted2);
 StringListLangElem okListElem("foo", nonMixed, false);
 builder.build_DB(&okListElem, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 assertEquals("\\<(?:foo&#124;bar)\\>", mainState->getRuleList()[0]->toString());
 assertEquals(0, mainState->getRuleList()[0]->getExitLevel());
 unquoted = new StringDef("ufoo", false);
 StringDefs *nonMixed2 = new StringDefs;
 nonMixed2->push_back(unquoted);
 nonMixed2->push_back(unquoted2);
 StringListLangElem okListElem2("foo", nonMixed2, false);
 okListElem2.setExit();
 builder.build_DB(&okListElem2, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 assertEquals("(?:ufoo&#124;ubar)", mainState->getRuleList()[1]->toString());
 assertEquals(1, mainState->getRuleList()[1]->getExitLevel());
 // test for delimited lang
 DelimitedLangElem delim("delim", new StringDef("<"), new StringDef(">"), new StringDef("\\\\"), false, false);
 builder.build_DB(&delim, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 assertEquals("<(?:[^\\\\<\\\\>]&#124;\\\\.)*>", mainState->getRuleList()[2]->toString());
 // test for delimited lang (automatically transformed)
 DelimitedLangElem delim2("delim", new StringDef("<"), new StringDef(">"), new StringDef("\\\\"), true, false);
 delim2.setExit();
 builder.build_DB(&delim2, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 assertEquals("<", mainState->getRuleList().back()->toString());
 assertTrue(mainState->getRuleList().back()->getNextState().get());
 assertEquals(">", mainState->getRuleList().back()->getNextState()->getRuleList().front()->toString());
 // the exit level is 2 since 1 is for exiting the syntethized inner state and 1
 // for the specified exit level
 assertEquals(2, mainState->getRuleList().back()->getNextState()->getRuleList().front()->getExitLevel());
 // test for named subexpressions
 ElementNames *names = new ElementNames;
 names->push_back("foo");
 names->push_back("bar");
 NamedSubExpsLangElem namedSubExpsLangElem(names, new StringDef("(Foo)(Bar)(Gogo)"));
 try {
 builder.build_DB(&namedSubExpsLangElem, mainState.get());
 // must not get here
 assertTrue(false);
 } catch (const HighlightBuilderException &e) {
 // we provided only 2 elements instead of 3
 cout << e << endl; os.str(""); os << e; assertEquals("number of marked subexpressions does not match number of elements\n" + stdBoostCausedBy(), os.str()); } // add the missing elem names->push_back("gogo");
 // also test exit all
 namedSubExpsLangElem.setExitAll();
 // now it's OK since we added an element
 builder.build_DB(&namedSubExpsLangElem, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 assertEqualsCollections(*names, mainState->getRuleList().back()->getElemList());
 assertEquals(-1, mainState->getRuleList().back()->getExitLevel());
 // tests for state/environment elements
 StringDefs *stateDefs = new StringDefs;
 stateDefs->push_back(new StringDef("foo"));
 stateDefs->push_back(new StringDef("bar"));
 StringListLangElem *stateDefsElem = new StringListLangElem("foobar", stateDefs, false);
 StateLangElem stateLangElem("mystate", stateDefsElem, createFooLangElems());
 builder.build_DB(&stateLangElem, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 HighlightRulePtr lastRule = mainState->getRuleList().back();
 assertTrue(lastRule->getNextState().get() != 0);
 // check that in the inner state we find the foo rule created by createFooLangElems
 assertEquals("foo", lastRule->getNextState()->getRuleList().front()->getElemList().front());
 // and that the default element is "foobar" (it's an environment)
 assertEquals("foobar", lastRule->getNextState()->getDefaultElement());
 // we cannot create an environment with a NamedSubExpsLangElem
 names = new ElementNames;
 names->push_back("foo");
 names->push_back("bar");
 NamedSubExpsLangElem *namedSubExpsLangElem2 = new NamedSubExpsLangElem(names, new StringDef("(Foo)(Bar)"));
 StateLangElem wrongEnvLangElem("myenv", namedSubExpsLangElem2,
 createFooLangElems());
 try {
 builder.build_DB(&wrongEnvLangElem, mainState.get());
 // must not get here
 assertTrue(false);
 } catch (const HighlightBuilderException &e) {
 cout << e << endl; os.str(""); os << e; assertEquals("cannot use this element for environments (only for states)\n" + stdBoostCausedBy(), os.str()); } // while it's OK for states (the default element is normal) wrongEnvLangElem.set_state(); builder.build_DB(&wrongEnvLangElem, mainState.get()); coutPrinter.printHighlightState(mainState.get()); // test for backreferences StringDef *backRef = new StringDef("@{1} @{2}"); backRef->setBackRef(true);
 try {
 DelimitedLangElem delimWrongWBRF("delim", new StringDef("(<)"), backRef, new StringDef("\\\\"), false, false); builder.build_DB(&delimWrongWBRF, mainState.get()); // must not get here assertTrue(false); } catch (const HighlightBuilderException &e) { cout << e << endl; os.str(""); os << e; assertEquals("2 subexpressions requested, but only 1 found\n" + stdBoostCausedBy(), os.str()); } backRef = new StringDef("@{2} @{1}"); backRef->setBackRef(true);
 DelimitedLangElem commentDelim("comment", new StringDef("(<<) (>>)"), backRef, new StringDef("\\\\"), false, false);
 builder.build_DB(&commentDelim, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 lastRule = mainState->getRuleList().back();
 // check that back ref information were set correctly
 assertTrue(lastRule->getHasSubexpressions());
 assertTrue(lastRule->getNextState().get());
 assertTrue(lastRule->getNextState()->getNeedsReferenceReplacement());
 assertTrue(lastRule->getNextState()->getRuleList().front()->getNeedsReferenceReplacement());
 sourceHighlighter.highlightParagraph("check <<strong>> comment inside>> << outside"); showLog(log); // the delimited element has <<strong>> as a starting element, and the end element
 // has backreferences to the start element @{2} @{1}, i.e.,>> << check_log_entry(log[0], "normal", "check "); check_log_entry(log[1], "comment", "<<strong>>");
 check_log_entry(log[2], "comment", " comment inside ");
 check_log_entry(log[3], "comment", ">> <<"); check_log_entry(log[4], "normal", " outside"); backRef = new StringDef("@{3}@{2}@{1}"); backRef->setBackRef(true);
 DelimitedLangElem commentComplexDelim("comment", new StringDef("([^[:alnum:]])([^[:alnum:]])(\1円)"), backRef, new StringDef("\\\\"), true, true);
 /*
 mainState = HighlightStatePtr(new HighlightState);
 sourceHighlighter = SourceHighlighter(mainState);
 sourceHighlighter.setFormatterManager(&formatterManager);
 */
 builder.build_DB(&commentComplexDelim, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 lastRule = mainState->getRuleList().back();
 // check that back ref information were set correctly
 assertTrue(lastRule->getHasSubexpressions());
 assertTrue(lastRule->getNextState().get());
 assertTrue(lastRule->getNextState()->getNeedsReferenceReplacement());
 assertTrue(lastRule->getNextState()->getRuleList().front()->getNeedsReferenceReplacement());
 assertTrue(lastRule->getNextState()->getRuleList().back()->getHasSubexpressions());
 log.clear();
 sourceHighlighter.highlightParagraph("check &#124;{&#124; comment inside &#124;{&#124; outside");
 showLog(log);
 check_log_entry(log[0], "normal", "check ");
 check_log_entry(log[1], "comment", "&#124;{&#124;");
 check_log_entry(log[2], "comment", " comment inside ");
 check_log_entry(log[3], "comment", "&#124;{&#124;");
 check_log_entry(log[4], "normal", " outside");
 log.clear();
 sourceHighlighter.highlightParagraph("check [&#124;[ comment <,< inside <,< [&#124;[ outside"); showLog(log); check_log_entry(log[0], "normal", "check "); check_log_entry(log[1], "comment", "[&#124;["); check_log_entry(log[2], "comment", " comment "); check_log_entry(log[3], "comment", "<,<"); check_log_entry(log[4], "comment", " inside "); check_log_entry(log[5], "comment", "<,<"); check_log_entry(log[6], "comment", " "); check_log_entry(log[7], "comment", "[&#124;["); check_log_entry(log[8], "normal", " outside"); // nested elements must have different delimiters try { DelimitedLangElem wrongNestedDelim("delim", new StringDef("'"), new StringDef("'"), new StringDef("\\\\"), true, true); builder.build_DB(&wrongNestedDelim, mainState.get()); // must not get here assertTrue(false); } catch (const HighlightBuilderException &e) { cout << e << endl; os.str(""); os << e; assertEquals("delimiters must be different for nested elements\n" + stdBoostCausedBy(), os.str()); } // tests for word list and non-word list StringDefs *nonWordList = new StringDefs; nonWordList->push_back(new StringDef("%"));
 nonWordList->push_back(new StringDef("@"));
 mainState = HighlightStatePtr(new HighlightState);
 StringListLangElem nonWordListElem("foo", nonWordList, false);
 builder.build_DB(&nonWordListElem, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 lastRule = mainState->getRuleList().back();
 // the generated expression must not be withing \< and \>
 assertEquals("(?:%&#124;@)", lastRule->toString());
 // even if there are words it still must not be within \< \> because of symbols
 StringDefs *nonWordList2 = new StringDefs;
 nonWordList2->push_back(new StringDef("%"));
 nonWordList2->push_back(new StringDef("@"));
 nonWordList2->push_front(new StringDef("foo"));
 nonWordList2->push_back(new StringDef("bar"));
 mainState = HighlightStatePtr(new HighlightState);
 StringListLangElem nonWordListElem2("foo", nonWordList2, false);
 builder.build_DB(&nonWordListElem2, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 lastRule = mainState->getRuleList().back();
 assertEquals("(?:foo&#124;%&#124;@&#124;bar)", lastRule->toString());
 // test whether delimited elems that start a state are generated correctly
 DelimitedLangElem delimStartingState("delim", new StringDef("<"), new StringDef(">"), new StringDef("\\\\"), false, false);
 StateLangElem fooStateElem("foo", 0, 0, false);
 delimStartingState.setStateLangElem(&fooStateElem);
 mainState = HighlightStatePtr(new HighlightState);
 builder.build_DB(&delimStartingState, mainState.get());
 coutPrinter.printHighlightState(mainState.get());
 assertEquals("<", mainState->getRuleList().back()->toString());
 assertTrue(mainState->getRuleList().back()->getNextState().get());
 assertEquals(">", mainState->getRuleList().back()->getNextState()->getRuleList().front()->toString());
 assertEquals(1, mainState->getRuleList().back()->getNextState()->getRuleList().front()->getExitLevel());
 cout << "test_highlightbuilder: SUCCESS" << endl;
 return 0;
}
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