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notepad-plus-plus/lexilla/lexers/LexAsciidoc.cxx

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Update Scintilla from v4.4.6 to v5.2.1 and add Lexilla v5.1.5 Update with https://www.scintilla.org/scintilla521.zip https://www.scintilla.org/lexilla515.zip - fix setting to bring Scintilla::PositionCR from ScintillaStructures.h inline with Sci_Position.h Sci_PositionCR - add workaround to enable lexer for searchResult commented out SCI_SETILEXER call on searchResult to get one result which is correctly handled by the lexer, added comment about the current problem with property @MarkingsStruct which seems to disappear after call to SCI_SETILEXER or CreateLexer - corrected usage of ObjC lexer - removed unnecessary filter stuff - use own sections for scintilla and lexilla build targets and allow parallel builds - as libscilex is no longer existing, changed to libscintilla - adapt makefiles and cmake - use VS2019 - started simple changes for createlexer adaptations, nullpointercheck missing on return of lexer name from deprecated LexerNameFromID -> undefined behaviour - movement from id -> lexer name, mostly done via LexerNameFromID + switching off corresponding compiler warning - changed to SCI_SETILEXER from SCI_SETLEXER, SCI_SETLEXERLANGUAGE needs to be corrected, see Scintilla5Migration.html - just commented out: SCI_LOADLEXERLIBRARY Fix #10504, close #11419
3 years ago
/******************************************************************
* LexAsciidoc.cxx
*
* A simple Asciidoc lexer for scintilla.
*
* Based on the LexMarkdown.cxx by Jon Strait - jstrait@moonloop.net
*
* The License.txt file describes the conditions under which this
* software may be distributed.
*
*****************************************************************/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <string>
#include <string_view>
#include "ILexer.h"
#include "Scintilla.h"
#include "SciLexer.h"
#include "WordList.h"
#include "LexAccessor.h"
#include "Accessor.h"
#include "StyleContext.h"
#include "CharacterSet.h"
#include "LexerModule.h"
using namespace Lexilla;
namespace {
typedef struct {
bool start;
int len1;
int len2;
const char *name;
} MacroItem;
static const MacroItem MacroList[] = {
// Directives
{true, 5, 2, "ifdef::"},
{true, 6, 2, "ifeval::"},
{true, 6, 2, "ifndef::"},
{true, 5, 2, "endif::"},
// Macros
{true, 5, 2, "audio::"},
{true, 7, 2, "include::"},
{true, 5, 2, "image::"},
{true, 5, 2, "video::"},
{false, 8, 1, "asciimath:"},
{false, 3, 1, "btn:"},
{false, 5, 1, "image:"},
{false, 3, 1, "kbd:"},
{false, 9, 1, "latexmath:"},
{false, 4, 1, "link:"},
{false, 6, 1, "mailto:"},
{false, 4, 1, "menu:"},
{false, 4, 1, "pass:"},
{false, 4, 1, "stem:"},
{false, 4, 1, "xref:"},
// Admonitions
{true, 7, 1, "CAUTION:"},
{true, 9, 1, "IMPORTANT:"},
{true, 4, 1, "NOTE:"},
{true, 3, 1, "TIP:"},
{true, 7, 1, "WARNING:"},
{false, 0, 0, NULL}
};
constexpr bool IsNewline(const int ch) {
// sc.GetRelative(i) returns '\0' if out of range
return (ch == '\n' || ch == '\r' || ch == '\0');
}
}
static bool AtTermStart(StyleContext &sc) {
return sc.currentPos == 0 || sc.chPrev == 0 || isspacechar(sc.chPrev);
}
static void ColorizeAsciidocDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
WordList **, Accessor &styler) {
bool freezeCursor = false;
StyleContext sc(startPos, static_cast<Sci_PositionU>(length), initStyle, styler);
while (sc.More()) {
// Skip past escaped characters
if (sc.ch == '\\') {
sc.Forward();
continue;
}
// Skip newline.
if (IsNewline(sc.ch)) {
// Newline doesn't end blocks
if (sc.state != SCE_ASCIIDOC_CODEBK && \
sc.state != SCE_ASCIIDOC_PASSBK && \
sc.state != SCE_ASCIIDOC_COMMENTBK && \
sc.state != SCE_ASCIIDOC_LITERALBK) {
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
sc.Forward();
continue;
}
// Conditional state-based actions
switch (sc.state) {
// Strong
case SCE_ASCIIDOC_STRONG1:
if (sc.ch == '*' && sc.chPrev != ' ') {
sc.Forward();
sc.SetState(SCE_ASCIIDOC_DEFAULT);
freezeCursor = true;
}
break;
case SCE_ASCIIDOC_STRONG2:
if (sc.Match("**") && sc.chPrev != ' ') {
sc.Forward(2);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
freezeCursor = true;
}
break;
// Emphasis
case SCE_ASCIIDOC_EM1:
if (sc.ch == '_' && sc.chPrev != ' ') {
sc.Forward();
sc.SetState(SCE_ASCIIDOC_DEFAULT);
freezeCursor = true;
}
break;
case SCE_ASCIIDOC_EM2:
if (sc.Match("__") && sc.chPrev != ' ') {
sc.Forward(2);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
freezeCursor = true;
}
break;
// Link
case SCE_ASCIIDOC_LINK:
if (sc.ch == ']' && sc.chPrev != '\\') {
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Code block
case SCE_ASCIIDOC_CODEBK:
if (sc.atLineStart && sc.Match("----") && IsNewline(sc.GetRelative(4))) {
sc.Forward(4);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Passthrough block
case SCE_ASCIIDOC_PASSBK:
if (sc.atLineStart && sc.Match("++++") && IsNewline(sc.GetRelative(4))) {
sc.Forward(4);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Comment block
case SCE_ASCIIDOC_COMMENTBK:
if (sc.atLineStart && sc.Match("////") && IsNewline(sc.GetRelative(4))) {
sc.Forward(4);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Literal
case SCE_ASCIIDOC_LITERAL:
if (sc.ch == '+' && sc.chPrev != '\\') {
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Literal block
case SCE_ASCIIDOC_LITERALBK:
if (sc.atLineStart && sc.Match("....") && IsNewline(sc.GetRelative(4))) {
sc.Forward(4);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Attribute
case SCE_ASCIIDOC_ATTRIB:
if (sc.ch == ':' && sc.chPrev != ' ' && sc.chNext == ' ') {
sc.Forward();
sc.SetState(SCE_ASCIIDOC_ATTRIBVAL);
}
break;
// Macro
case SCE_ASCIIDOC_MACRO:
if (sc.ch == ']' && sc.chPrev != '\\') {
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
break;
// Default
case SCE_ASCIIDOC_DEFAULT:
// Headers
if (sc.atLineStart && sc.Match("====== ")) {
sc.SetState(SCE_ASCIIDOC_HEADER6);
sc.Forward(6);
}
else if (sc.atLineStart && sc.Match("===== ")) {
sc.SetState(SCE_ASCIIDOC_HEADER5);
sc.Forward(5);
}
else if (sc.atLineStart && sc.Match("==== ")) {
sc.SetState(SCE_ASCIIDOC_HEADER4);
sc.Forward(4);
}
else if (sc.atLineStart && sc.Match("=== ")) {
sc.SetState(SCE_ASCIIDOC_HEADER3);
sc.Forward(3);
}
else if (sc.atLineStart && sc.Match("== ")) {
sc.SetState(SCE_ASCIIDOC_HEADER2);
sc.Forward(2);
}
else if (sc.atLineStart && sc.Match("= ")) {
sc.SetState(SCE_ASCIIDOC_HEADER1);
sc.Forward(1);
}
// Unordered list item
else if (sc.atLineStart && sc.Match("****** ")) {
sc.SetState(SCE_ASCIIDOC_ULIST_ITEM);
sc.Forward(6);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("***** ")) {
sc.SetState(SCE_ASCIIDOC_ULIST_ITEM);
sc.Forward(5);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("**** ")) {
sc.SetState(SCE_ASCIIDOC_ULIST_ITEM);
sc.Forward(4);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("*** ")) {
sc.SetState(SCE_ASCIIDOC_ULIST_ITEM);
sc.Forward(3);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("** ")) {
sc.SetState(SCE_ASCIIDOC_ULIST_ITEM);
sc.Forward(2);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("* ")) {
sc.SetState(SCE_ASCIIDOC_ULIST_ITEM);
sc.Forward(1);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
// Ordered list item
else if (sc.atLineStart && sc.Match("...... ")) {
sc.SetState(SCE_ASCIIDOC_OLIST_ITEM);
sc.Forward(6);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("..... ")) {
sc.SetState(SCE_ASCIIDOC_OLIST_ITEM);
sc.Forward(5);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match(".... ")) {
sc.SetState(SCE_ASCIIDOC_OLIST_ITEM);
sc.Forward(4);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match("... ")) {
sc.SetState(SCE_ASCIIDOC_OLIST_ITEM);
sc.Forward(3);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match(".. ")) {
sc.SetState(SCE_ASCIIDOC_OLIST_ITEM);
sc.Forward(2);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
else if (sc.atLineStart && sc.Match(". ")) {
sc.SetState(SCE_ASCIIDOC_OLIST_ITEM);
sc.Forward(1);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
}
// Blockquote
else if (sc.atLineStart && sc.Match("> ")) {
sc.SetState(SCE_ASCIIDOC_BLOCKQUOTE);
sc.Forward();
}
// Link
else if (!sc.atLineStart && sc.ch == '[' && sc.chPrev != '\\' && sc.chNext != ' ') {
sc.Forward();
sc.SetState(SCE_ASCIIDOC_LINK);
freezeCursor = true;
}
// Code block
else if (sc.atLineStart && sc.Match("----") && IsNewline(sc.GetRelative(4))) {
sc.SetState(SCE_ASCIIDOC_CODEBK);
sc.Forward(4);
}
// Passthrough block
else if (sc.atLineStart && sc.Match("++++") && IsNewline(sc.GetRelative(4))) {
sc.SetState(SCE_ASCIIDOC_PASSBK);
sc.Forward(4);
}
// Comment block
else if (sc.atLineStart && sc.Match("////") && IsNewline(sc.GetRelative(4))) {
sc.SetState(SCE_ASCIIDOC_COMMENTBK);
sc.Forward(4);
}
// Comment
else if (sc.atLineStart && sc.Match("//")) {
sc.SetState(SCE_ASCIIDOC_COMMENT);
sc.Forward();
}
// Literal
else if (sc.ch == '+' && sc.chPrev != '\\' && sc.chNext != ' ' && AtTermStart(sc)) {
sc.Forward();
sc.SetState(SCE_ASCIIDOC_LITERAL);
freezeCursor = true;
}
// Literal block
else if (sc.atLineStart && sc.Match("....") && IsNewline(sc.GetRelative(4))) {
sc.SetState(SCE_ASCIIDOC_LITERALBK);
sc.Forward(4);
}
// Attribute
else if (sc.atLineStart && sc.ch == ':' && sc.chNext != ' ') {
sc.SetState(SCE_ASCIIDOC_ATTRIB);
}
// Strong
else if (sc.Match("**") && sc.GetRelative(2) != ' ') {
sc.SetState(SCE_ASCIIDOC_STRONG2);
sc.Forward();
}
else if (sc.ch == '*' && sc.chNext != ' ' && AtTermStart(sc)) {
sc.SetState(SCE_ASCIIDOC_STRONG1);
}
// Emphasis
else if (sc.Match("__") && sc.GetRelative(2) != ' ') {
sc.SetState(SCE_ASCIIDOC_EM2);
sc.Forward();
}
else if (sc.ch == '_' && sc.chNext != ' ' && AtTermStart(sc)) {
sc.SetState(SCE_ASCIIDOC_EM1);
}
// Macro
else if (sc.atLineStart && sc.ch == '[' && sc.chNext != ' ') {
sc.Forward();
sc.SetState(SCE_ASCIIDOC_MACRO);
freezeCursor = true;
}
else {
int i = 0;
bool found = false;
while (!found && MacroList[i].name != NULL) {
if (MacroList[i].start)
found = sc.atLineStart && sc.Match(MacroList[i].name);
else
found = sc.Match(MacroList[i].name);
if (found) {
sc.SetState(SCE_ASCIIDOC_MACRO);
sc.Forward(MacroList[i].len1);
sc.SetState(SCE_ASCIIDOC_DEFAULT);
if (MacroList[i].len2 > 1)
sc.Forward(MacroList[i].len2 - 1);
}
i++;
}
}
break;
}
// Advance if not holding back the cursor for this iteration.
if (!freezeCursor)
sc.Forward();
freezeCursor = false;
}
sc.Complete();
}
LexerModule lmAsciidoc(SCLEX_ASCIIDOC, ColorizeAsciidocDoc, "asciidoc");