Implement "Insert Script Shebang Line".

src/Edit.h

@@ -158,6 +158,7 @@ void	EditAutoCloseXMLTag(HWND hwnd);
 void	EditAutoIndent(HWND hwnd);
 void	EditToggleCommentLine(HWND hwnd);
 void	EditToggleCommentBlock(HWND hwnd);
+void	EditInsertScriptShebangLine(HWND hwnd);
 void	EditShowCallTips(HWND hwnd, Sci_Position position);
 
 #define NCP_DEFAULT					1

src/EditAutoC.c

@@ -1413,6 +1413,92 @@ void EditToggleCommentBlock(HWND hwnd) {
 	}
 }
 
+// see Style_SniffShebang() in Styles.c
+void EditInsertScriptShebangLine(HWND hwnd) {
+	char line[128];
+	strcpy(line, "#!/usr/bin/env ");
+
+	switch (pLexCurrent->iLexer) {
+	case SCLEX_BASH:
+		switch (np2LexLangIndex) {
+		case IDM_LANG_CSHELL:
+			strcpy(line, "#!/bin/csh");
+			break;
+
+		case IDM_LANG_M4:
+			strcat(line, "m4");
+			break;
+
+		default:
+			strcpy(line, "#!/bin/bash");
+			break;
+		}
+		break;
+
+	case SCLEX_CPP:
+		switch (pLexCurrent->rid) {
+		case NP2LEX_AWK:
+			strcat(line, "awk");
+			break;
+
+		case NP2LEX_GO:
+			strcat(line, "go");
+			break;
+
+		case NP2LEX_GROOVY:
+			strcat(line, "groovy");
+			break;
+
+		case NP2LEX_JS:
+			strcat(line, "node");
+			break;
+
+		case NP2LEX_PHP:
+			strcat(line, "php");
+			break;
+
+		case NP2LEX_SCALA:
+			strcat(line, "scala");
+			break;
+
+		default:
+			return;
+		}
+		break;
+
+	case SCLEX_LUA:
+		strcat(line, "lua");
+		break;
+
+	case SCLEX_PERL:
+		strcat(line, "perl");
+		break;
+
+	case SCLEX_PYTHON:
+		strcat(line, "python");
+		break;
+
+	case SCLEX_RUBY:
+		strcat(line, "ruby");
+		break;
+
+	case SCLEX_TCL:
+		strcat(line, "wish");
+		break;
+
+	default:
+		return;
+	}
+
+	const Sci_Position iCurrentPos = SciCall_GetCurrentPos();
+	if (iCurrentPos == 0) {
+		const int iEOLMode = (int)SendMessage(hwnd, SCI_GETEOLMODE, 0, 0);
+		LPCSTR lineEnd = (iEOLMode == SC_EOL_LF) ? "\n" : ((iEOLMode == SC_EOL_CR) ? "\r" : "\r\n");
+		strcat(line, lineEnd);
+	}
+	SendMessage(hwnd, SCI_REPLACESEL, 0, (LPARAM)line);
+}
+
 void EditShowCallTips(HWND hwnd, Sci_Position position) {
 	const int iLine = (int)SendMessage(hwnd, SCI_LINEFROMPOSITION, position, 0);
 	const int iDocLen = SciCall_GetLine(iLine, NULL); // get length

src/Notepad2.c

@@ -2281,6 +2281,7 @@ void MsgInitMenu(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 	EnableCmd(hmenu, IDM_EDIT_STREAMCOMMENT, bCurrentLexerHasBlockComment);
 
 	EnableCmd(hmenu, IDM_EDIT_INSERT_ENCODING, *mEncoding[iEncoding].pszParseNames);
+	EnableCmd(hmenu, IDM_EDIT_INSERT_SHEBANG, bCurrentLexerHasShebangLine);
 
 	//EnableCmd(hmenu, IDM_EDIT_INSERT_SHORTDATE, !bReadOnly);
 	//EnableCmd(hmenu, IDM_EDIT_INSERT_LONGDATE, !bReadOnly);
@@ -3284,6 +3285,10 @@ LRESULT MsgCommand(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 	}
 	break;
 
+	case IDM_EDIT_INSERT_SHEBANG:
+		EditInsertScriptShebangLine(hwndEdit);
+		break;
+
 	case IDM_EDIT_INSERT_SHORTDATE:
 	case IDM_EDIT_INSERT_LONGDATE: {
 		WCHAR tchDateTime[256];

src/Notepad2.rc

@@ -289,7 +289,7 @@ BEGIN
             MENUITEM "Time/Date (&Long Form)\tCtrl+Shift+F5", IDM_EDIT_INSERT_LONGDATE
             MENUITEM SEPARATOR
             MENUITEM "&Encoding Identifier\tCtrl+F8", IDM_EDIT_INSERT_ENCODING
-            //MENUITEM "Script She&bang Line", IDM_EDIT_INSERT_SHEBANG
+            MENUITEM "Script She&bang Line",            IDM_EDIT_INSERT_SHEBANG
         END
         POPUP "Spec&ial"
         BEGIN

src/Styles.c

@@ -251,6 +251,7 @@ static int iLexerLoadedCount = 0;
 BOOL	bUse2ndDefaultStyle;
 BOOL	bCurrentLexerHasLineComment;
 BOOL	bCurrentLexerHasBlockComment;
+BOOL	bCurrentLexerHasShebangLine;
 static UINT fStylesModified = STYLESMODIFIED_NONE;
 static BOOL fWarnedNoIniFile = FALSE;
 static int	iBaseFontSize = 11*SC_FONT_SIZE_MULTIPLIER; // 11 pt in lexDefault
@@ -836,6 +837,22 @@ static inline BOOL DidLexerHasBlockComment(int iLexer, int rid) {
 	);
 }
 
+static inline BOOL DidLexerHasShebangLine(int iLexer, int rid) {
+	return iLexer == SCLEX_BASH
+		|| iLexer == SCLEX_LUA
+		|| iLexer == SCLEX_PERL
+		|| iLexer == SCLEX_PYTHON
+		|| iLexer == SCLEX_RUBY
+		|| iLexer == SCLEX_TCL
+		|| rid == NP2LEX_AWK
+		|| rid == NP2LEX_GO
+		|| rid == NP2LEX_GROOVY
+		|| rid == NP2LEX_JS
+		|| rid == NP2LEX_PHP
+		|| rid == NP2LEX_SCALA
+	;
+}
+
 static void Style_Parse(struct DetailStyle *style, LPCWSTR lpszStyle);
 static void Style_SetParsed(HWND hwnd, const struct DetailStyle *style, int iStyle);
 static inline void Style_SetDefaultStyle(HWND hwnd, int index) {
@@ -1117,6 +1134,7 @@ void Style_SetLexer(HWND hwnd, PEDITLEXER pLexNew) {
 	pLexCurrent = pLexNew;
 	bCurrentLexerHasLineComment = DidLexerHasLineComment(iLexer);
 	bCurrentLexerHasBlockComment = DidLexerHasBlockComment(iLexer, rid);
+	bCurrentLexerHasShebangLine = DidLexerHasShebangLine(iLexer, rid);
 	UpdateStatusBarCache(STATUS_LEXER);
 	UpdateLineNumberWidth();
 	UpdateFoldMarginWidth();

src/Styles.h

@@ -46,6 +46,7 @@ extern int np2LexLangIndex;
 extern BOOL bUse2ndDefaultStyle;
 extern BOOL bCurrentLexerHasLineComment;
 extern BOOL bCurrentLexerHasBlockComment;
+extern BOOL bCurrentLexerHasShebangLine;
 extern UINT8 currentLexKeywordAttr[NUMKEYWORD];
 
 BOOL IsDocWordChar(int ch);

src/resource.h

@@ -477,6 +477,7 @@
 #define IDM_EDIT_INSERT_TIMESTAMP_MS	40385	// milli
 #define IDM_EDIT_INSERT_TIMESTAMP_US	40386	// micro
 #define IDM_EDIT_INSERT_TIMESTAMP_NS	40387	// nano
+#define IDM_EDIT_INSERT_SHEBANG			40388
 
 #define IDM_EDIT_SELTOEND				40389
 #define IDM_EDIT_SELTOBEGIN				40390