1 files changed, 0 insertions, 345 deletions
diff --git a/lexers/LexX12.cxx b/lexers/LexX12.cxx
deleted file mode 100644
index 303bcf5d2..000000000
--- a/lexers/LexX12.cxx
+++ /dev/null
@@ -1,345 +0,0 @@
-// Scintilla Lexer for X12
-// @file LexX12.cxx
-// Written by Iain Clarke, IMCSoft & Inobiz AB.
-// X12 official documentation is behind a paywall, but there's a description of the syntax here:
-// http://www.rawlinsecconsulting.com/x12tutorial/x12syn.html
-// This code is subject to the same license terms as the rest of the scintilla project:
-// The License.txt file describes the conditions under which this software may be distributed.
-//
-
-// Header order must match order in scripts/HeaderOrder.txt
-#include <cstdlib>
-#include <cassert>
-#include <cstring>
-#include <cctype>
-
-#include <vector>
-#include <algorithm>
-
-#include "ILexer.h"
-#include "Scintilla.h"
-#include "SciLexer.h"
-#include "LexerModule.h"
-#include "DefaultLexer.h"
-
-using namespace Scintilla;
-
-class LexerX12 : public DefaultLexer
-{
-public:
-	LexerX12();
-	virtual ~LexerX12() {} // virtual destructor, as we inherit from ILexer
-
-	static ILexer5 *Factory() {
-		return new LexerX12;
-	}
-
-	int SCI_METHOD Version() const override
-	{
-		return lvRelease5;
-	}
-	void SCI_METHOD Release() override
-	{
-		delete this;
-	}
-
-	const char * SCI_METHOD PropertyNames() override
-	{
-		return "fold";
-	}
-	int SCI_METHOD PropertyType(const char *) override
-	{
-		return SC_TYPE_BOOLEAN; // Only one property!
-	}
-	const char * SCI_METHOD DescribeProperty(const char *name) override
-	{
-		if (!strcmp(name, "fold"))
-			return "Whether to apply folding to document or not";
-		return NULL;
-	}
-
-	Sci_Position SCI_METHOD PropertySet(const char *key, const char *val) override
-	{
-		if (!strcmp(key, "fold"))
-		{
-			m_bFold = strcmp(val, "0") ? true : false;
-			return 0;
-		}
-		return -1;
-	}
-	const char * SCI_METHOD PropertyGet(const char *) override {
-		return "";
-	}
-	const char * SCI_METHOD DescribeWordListSets() override
-	{
-		return NULL;
-	}
-	Sci_Position SCI_METHOD WordListSet(int, const char *) override
-	{
-		return -1;
-	}
-	void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) override;
-	void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) override;
-	void * SCI_METHOD PrivateCall(int, void *) override
-	{
-		return NULL;
-	}
-
-protected:
-	struct Terminator
-	{
-		int Style = SCE_X12_BAD;
-		Sci_PositionU pos = 0;
-		Sci_PositionU length = 0;
-		int FoldChange = 0;
-	};
-	Terminator InitialiseFromISA(IDocument *pAccess);
-	Sci_PositionU FindPreviousSegmentStart(IDocument *pAccess, Sci_Position startPos) const;
-	Terminator DetectSegmentHeader(IDocument *pAccess, Sci_PositionU pos) const;
-	Terminator FindNextTerminator(IDocument *pAccess, Sci_PositionU pos, bool bJustSegmentTerminator = false) const;
-
-	bool m_bFold;
-	char m_chSubElement;
-	char m_chElement;
-	char m_chSegment[3]; // might be CRLF
-};
-
-LexerModule lmX12(SCLEX_X12, LexerX12::Factory, "x12");
-
-///////////////////////////////////////////////////////////////////////////////
-
-
-
-///////////////////////////////////////////////////////////////////////////////
-
-LexerX12::LexerX12() : DefaultLexer("x12", SCLEX_X12)
-{
-	m_bFold = false;
-	m_chSegment[0] = m_chSegment[1] = m_chSegment[2] = m_chElement = m_chSubElement = 0;
-}
-
-void LexerX12::Lex(Sci_PositionU startPos, Sci_Position length, int, IDocument *pAccess)
-{
-	Sci_PositionU posFinish = startPos + length;
-
-	Terminator T = InitialiseFromISA(pAccess);
-
-	if (T.Style == SCE_X12_BAD)
-	{
-		if (T.pos < startPos)
-			T.pos = startPos; // we may be colouring in batches.
-		pAccess->StartStyling(startPos);
-		pAccess->SetStyleFor(T.pos - startPos, SCE_X12_ENVELOPE);
-		pAccess->SetStyleFor(posFinish - T.pos, SCE_X12_BAD);
-		return;
-	}
-
-	// Look backwards for a segment start or a document beginning
-	Sci_PositionU posCurrent = FindPreviousSegmentStart (pAccess, startPos);
-
-	// Style buffer, so we're not issuing loads of notifications
-	pAccess->StartStyling(posCurrent);
-
-	while (posCurrent < posFinish)
-	{
-		// Look for first element marker, so we can denote segment
-		T = DetectSegmentHeader(pAccess, posCurrent);
-		if (T.Style == SCE_X12_BAD)
-			break;
-
-		pAccess->SetStyleFor(T.pos - posCurrent, T.Style);
-		pAccess->SetStyleFor(T.length, SCE_X12_SEP_ELEMENT);
-		posCurrent = T.pos + T.length;
-
-		while (T.Style != SCE_X12_BAD && T.Style != SCE_X12_SEGMENTEND) // Break on bad or segment ending
-		{
-			T = FindNextTerminator(pAccess, posCurrent);
-			if (T.Style == SCE_X12_BAD)
-				break;
-
-			int Style = T.Style;
-			if (T.Style == SCE_X12_SEGMENTEND && m_chSegment[0] == '\r') // don't style cr/crlf
-				Style = SCE_X12_DEFAULT;
-
-			pAccess->SetStyleFor(T.pos - posCurrent, SCE_X12_DEFAULT);
-			pAccess->SetStyleFor(T.length, Style);
-			posCurrent = T.pos + T.length;
-		}
-		if (T.Style == SCE_X12_BAD)
-			break;
-	}
-
-	pAccess->SetStyleFor(posFinish - posCurrent, SCE_X12_BAD);
-}
-
-void LexerX12::Fold(Sci_PositionU startPos, Sci_Position length, int, IDocument *pAccess)
-{
-	if (!m_bFold)
-		return;
-
-	// Are we even foldable?
-	if (m_chSegment[0] != '\r' && m_chSegment[0] != '\n') // check for cr,lf,cr+lf.
-		return;
-
-	Sci_PositionU posFinish = startPos + length;
-
-	// Look backwards for a segment start or a document beginning
-	startPos = FindPreviousSegmentStart(pAccess, startPos);
-	Terminator T;
-
-	Sci_PositionU currLine = pAccess->LineFromPosition(startPos);
-	int levelCurrentStyle = SC_FOLDLEVELBASE;
-	if (currLine > 0)
-		levelCurrentStyle = pAccess->GetLevel(currLine - 1); // bottom 12 bits are level
-	int indentCurrent = levelCurrentStyle & (SC_FOLDLEVELBASE - 1);
-
-	while (startPos < posFinish)
-	{
-		T = DetectSegmentHeader(pAccess, startPos);
-		int indentNext = indentCurrent + T.FoldChange;
-		if (indentNext < 0)
-			indentNext = 0;
-
-		levelCurrentStyle = (T.FoldChange > 0) ? (SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG) : SC_FOLDLEVELBASE;
-
-		currLine = pAccess->LineFromPosition(startPos);
-		pAccess->SetLevel(currLine, levelCurrentStyle | indentCurrent);
-
-		T = FindNextTerminator(pAccess, startPos, true);
-		startPos = T.pos + T.length;
-		indentCurrent = indentNext;
-	}
-}
-
-LexerX12::Terminator LexerX12::InitialiseFromISA(IDocument *pAccess)
-{
-	Sci_Position length = pAccess->Length();
-	char c;
-	if (length <= 106)
-		return { SCE_X12_BAD, 0 };
-
-	pAccess->GetCharRange(&m_chElement, 3, 1);
-	pAccess->GetCharRange(&m_chSubElement, 104, 1);
-	pAccess->GetCharRange(m_chSegment, 105, 1);
-	if (m_chSegment[0] == '\r') // are we CRLF?
-	{
-		pAccess->GetCharRange(&c, 106, 1);
-		if (c == '\n')
-			m_chSegment[1] = c;
-	}
-
-	// Validate we have an element separator, and it's not silly!
-	if (m_chElement == '\0' || m_chElement == '\n' || m_chElement == '\r')
-		return { SCE_X12_BAD, 3 };
-
-	// Validate we have an element separator, and it's not silly!
-	if (m_chSubElement == '\0' || m_chSubElement == '\n' || m_chSubElement == '\r')
-		return { SCE_X12_BAD, 103 };
-
-	if (m_chElement == m_chSubElement)
-		return { SCE_X12_BAD, 104 };
-	if (m_chElement == m_chSegment[0])
-		return { SCE_X12_BAD, 105 };
-	if (m_chSubElement == m_chSegment[0])
-		return { SCE_X12_BAD, 104 };
-
-	// Check we have element markers at all the right places! ISA element has fixed entries.
-	std::vector<Sci_PositionU> ElementMarkers = { 3, 6, 17, 20, 31, 34, 50, 53, 69, 76, 81, 83, 89, 99, 101, 103  };
-	for (auto i : ElementMarkers)
-	{
-		pAccess->GetCharRange(&c, i, 1);
-		if (c != m_chElement)
-			return { SCE_X12_BAD, i };
-	}
-	// Check we have no element markers anywhere else!
-	for (Sci_PositionU i = 0; i < 105; i++)
-	{
-		if (std::find(ElementMarkers.begin(), ElementMarkers.end(), i) != ElementMarkers.end())
-			continue;
-
-		pAccess->GetCharRange(&c, i, 1);
-		if (c == m_chElement)
-			return { SCE_X12_BAD, i };
-	}
-
-	return { SCE_X12_ENVELOPE };
-}
-
-Sci_PositionU LexerX12::FindPreviousSegmentStart(IDocument *pAccess, Sci_Position startPos) const
-{
-	char c;
-
-	for ( ; startPos > 0; startPos--)
-	{
-		pAccess->GetCharRange(&c, startPos, 1);
-		if (c != m_chSegment[0])
-			continue;
-		// we've matched one - if this is not crlf we're done.
-		if (!m_chSegment[1])
-			return startPos + 1;
-		pAccess->GetCharRange(&c, startPos+1, 1);
-		if (c == m_chSegment[1])
-			return startPos + 2;
-	}
-	// We didn't find a ', so just go with the beginning
-	return 0;
-}
-
-LexerX12::Terminator LexerX12::DetectSegmentHeader(IDocument *pAccess, Sci_PositionU pos) const
-{
-	Sci_PositionU posStart = pos;
-	Sci_Position Length = pAccess->Length();
-	char Buf[6] = { 0 };
-	while (pos - posStart < 5 && pos < (Sci_PositionU)Length)
-	{
-		pAccess->GetCharRange(Buf + pos - posStart, pos, 1);
-		if (Buf [pos - posStart] != m_chElement) // more?
-		{
-			pos++;
-			continue;
-		}
-		if (strcmp(Buf, "ISA*") == 0)
-			return { SCE_X12_ENVELOPE, pos, 1, +1 };
-		if (strcmp(Buf, "IEA*") == 0)
-			return { SCE_X12_ENVELOPE, pos, 1, -1 };
-		if (strcmp(Buf, "GS*") == 0)
-			return { SCE_X12_FUNCTIONGROUP, pos, 1, +1 };
-		if (strcmp(Buf, "GE*") == 0)
-			return { SCE_X12_FUNCTIONGROUP, pos, 1, -1 };
-		if (strcmp(Buf, "ST*") == 0)
-			return { SCE_X12_TRANSACTIONSET, pos, 1, +1 };
-		if (strcmp(Buf, "SE*") == 0)
-			return { SCE_X12_TRANSACTIONSET, pos, 1, -1 };
-		return { SCE_X12_SEGMENTHEADER, pos, 1, 0 };
-	}
-	return { SCE_X12_BAD, pos, 0, 0 };
-}
-
-LexerX12::Terminator LexerX12::FindNextTerminator(IDocument *pAccess, Sci_PositionU pos, bool bJustSegmentTerminator) const
-{
-	char c;
-	Sci_Position Length = pAccess->Length();
-
-	while (pos < (Sci_PositionU)Length)
-	{
-		pAccess->GetCharRange(&c, pos, 1);
-		if (!bJustSegmentTerminator && c == m_chElement)
-			return { SCE_X12_SEP_ELEMENT, pos, 1 };
-		else if (!bJustSegmentTerminator && c == m_chSubElement)
-			return { SCE_X12_SEP_SUBELEMENT, pos, 1 };
-		else if (c == m_chSegment[0])
-		{
-			if (!m_chSegment[1])
-				return { SCE_X12_SEGMENTEND, pos, 1 };
-			pos++;
-			if (pos >= (Sci_PositionU)Length)
-				break;
-			pAccess->GetCharRange(&c, pos, 1);
-			if (c == m_chSegment[1])
-				return { SCE_X12_SEGMENTEND, pos-1, 2 };
-		}
-		pos++;
-	}
-
-	return { SCE_X12_BAD, pos };
-}