added a bibtex parser that extracts identifiers of entries in bib-files and makes them accessible on the sidebar

ctags/Makefile.am

@@ -14,6 +14,7 @@ parsers = \
 	parsers/asciidoc.c \
 	parsers/asm.c \
 	parsers/basic.c \
+	parsers/bibtex.c \
 	parsers/c.c \
 	parsers/cobol.c \
 	parsers/iniconf.c \

ctags/main/parsers.h

@@ -24,6 +24,7 @@
 	PhpParser, \
 	PythonParser, \
 	TexParser, \
+	BibParser, \
 	AsmParser, \
 	ConfParser, \
 	SqlParser, \

ctags/parsers/bibtex.c

@@ -0,0 +1,180 @@
+/*
+ *   Copyright (c) 2000-2001, Jérôme Plût
+ *   Copyright (c) 2006, Enrico Tröger
+ *   Copyright (c) 2019, Mirco Schönfeld
+ *
+ *   This source code is released for free distribution under the terms of the
+ *   GNU General Public License.
+ *
+ *   This module contains functions for generating tags for source files
+ *   for the BibTex formatting system. 
+ *   https://en.wikipedia.org/wiki/BibTeX
+ */
+
+/*
+*   INCLUDE FILES
+*/
+#include "general.h"    /* must always come first */
+
+#include <ctype.h>
+#include <string.h>
+
+#include "parse.h"
+#include "read.h"
+#include "vstring.h"
+#include "routines.h"
+
+/*
+*   DATA DEFINITIONS
+*/
+typedef enum {
+	K_ARTICLE,
+  K_BOOK,
+  K_PAPER,
+  K_THESIS,
+  K_OTHER
+} BibKind;
+
+static kindDefinition BibKinds[] = {
+	{ true, 'f', "function",        "@article @inbook @incollection" },
+	{ true, 'c', "class",        "@book @booklet @proceedings" },
+	{ true, 'm', "member",        "@inproceedings @conference" },
+	{ true, 'v', "variable",        "@phdthesis @mastersthesis" },
+	{ true, 's', "struct",        "@manual @misc @techreport" }
+};
+
+/*
+*   FUNCTION DEFINITIONS
+*/
+#define BIB_LABEL  (1<<2)
+
+static int getBibWord(const char * ref, const char **ptr)
+{
+	const char *p = *ptr;
+
+	while ((*ref != '\0') && (*p != '\0') && (*ref == *p))
+		ref++, p++;
+
+
+	if (*ref)
+		return false;
+
+	*ptr = p;
+	return true;
+}
+
+static void createBibTag(int flags, BibKind kind, const char * l)
+{
+	vString *name = vStringNew ();
+
+	while ((*l == ' '))
+		l++;
+	if (flags & (BIB_LABEL))
+	{
+		if (*l != '{')
+			goto no_tag;
+		l++;
+
+		do
+		{
+			vStringPut(name, (int) *l);
+			++l;
+		} while ((*l != '\0') && (*l != ','));
+		if (name->buffer[0] != ',')
+			makeSimpleTag(name, kind);
+	}
+	else
+	{
+		vStringPut(name, (int) *l);
+		makeSimpleTag(name, kind);
+	}
+
+no_tag:
+	vStringDelete(name);
+}
+
+static void findBibTags(void)
+{
+	const char *line;
+
+	while ((line = (const char*)readLineFromInputFile()) != NULL)
+	{
+		const char *cp = line;
+		/*int escaped = 0;*/
+
+		for (; *cp != '\0'; cp++)
+		{
+			if (*cp == '%')
+				break;
+			if (*cp == '@')
+			{
+				cp++;
+
+				if (getBibWord("article", &cp))
+				{
+					createBibTag(BIB_LABEL, K_ARTICLE, cp);
+					continue;
+				}else if (getBibWord("inbook", &cp))
+				{
+					createBibTag(BIB_LABEL, K_ARTICLE, cp);
+					continue;
+				}else if (getBibWord("incollection", &cp))
+				{
+					createBibTag(BIB_LABEL, K_ARTICLE, cp);
+					continue;
+				}else if (getBibWord("book", &cp))
+				{
+					createBibTag(BIB_LABEL, K_BOOK, cp);
+					continue;
+				}else if (getBibWord("booklet", &cp))
+				{
+					createBibTag(BIB_LABEL, K_BOOK, cp);
+					continue;
+				}else if (getBibWord("proceedings", &cp))
+				{
+					createBibTag(BIB_LABEL, K_BOOK, cp);
+					continue;
+				}else if (getBibWord("inproceedings", &cp))
+				{
+					createBibTag(BIB_LABEL, K_PAPER, cp);
+					continue;
+				}else if (getBibWord("conference", &cp))
+				{
+					createBibTag(BIB_LABEL, K_PAPER, cp);
+					continue;
+				}else if (getBibWord("phdthesis", &cp))
+				{
+					createBibTag(BIB_LABEL, K_THESIS, cp);
+					continue;
+				}else if (getBibWord("mastersthesis", &cp))
+				{
+					createBibTag(BIB_LABEL, K_THESIS, cp);
+					continue;
+				}else if (getBibWord("manual", &cp))
+				{
+					createBibTag(BIB_LABEL, K_OTHER, cp);
+					continue;
+				}else if (getBibWord("misc", &cp))
+				{
+					createBibTag(BIB_LABEL, K_OTHER, cp);
+					continue;
+				}else if (getBibWord("techreport", &cp))
+				{
+					createBibTag(BIB_LABEL, K_OTHER, cp);
+					continue;
+				}
+			}
+		}
+	}
+}
+
+extern parserDefinition* BibParser (void)
+{
+	static const char *const extensions [] = { "bib", NULL };
+	parserDefinition * def = parserNew ("Bib");
+	def->kindTable  = BibKinds;
+	def->kindCount  = ARRAY_SIZE (BibKinds);
+	def->extensions = extensions;
+	def->parser     = findBibTags;
+	return def;
+}

data/filedefs/filetypes.bibtex

@@ -0,0 +1,51 @@
+# For complete documentation of this file, please see Geany's main documentation
+[styling]
+# Edit these in the colorscheme .conf file instead
+default=default
+command=keyword_1
+tag=tag
+math=number_1
+comment=comment
+# mappings below may need checking
+tag2=tag
+math2=number_1
+comment2=comment
+verbatim=default
+shortcmd=keyword_1
+special=keyword_2
+cmdopt=keyword_1
+error=error
+
+[keywords]
+# all items must be in one line
+primary=article
+
+[settings]
+# default extension used when saving files
+extension=bib
+
+# MIME type
+mime_type=text/x-bibtex
+
+# single comments, like # in this file
+comment_single=%
+# multiline comments
+#comment_open=
+#comment_close=
+
+# set to false if a comment character/string should start at column 0 of a line, true uses any
+# indentation of the line, e.g. setting to true causes the following on pressing CTRL+d
+	#command_example();
+# setting to false would generate this
+#	command_example();
+# This setting works only for single line comments
+comment_use_indent=true
+
+# context action command (please see Geany's main documentation for details)
+context_action_cmd=
+
+[indentation]
+#width=4
+# 0 is spaces, 1 is tabs, 2 is tab & spaces
+#type=1
+

data/filetype_extensions.conf

@@ -10,6 +10,7 @@ Arduino=*.ino;*.pde;
 Asciidoc=*.asciidoc;*.adoc;
 ASM=*.asm;*.asm51;*.a51;*.s;*.S;*.sx;
 Batch=*.bat;*.cmd;*.nt;
+BibTeX=*.bib;
 CAML=*.ml;*.mli;
 C=*.c;*.xpm;
 C++=*.cpp;*.cxx;*.c++;*.cc;*.h;*.hpp;*.hxx;*.h++;*.hh;*.C;*.H;
@@ -41,7 +42,7 @@ HTML=*.htm;*.html;*.shtml;*.hta;*.htd;*.htt;*.cfm;*.tpl;
 Java=*.java;*.jsp;
 Javascript=*.js;
 JSON=*.json;
-LaTeX=*.tex;*.sty;*.idx;*.ltx;*.latex;*.aux;*.bib;
+LaTeX=*.tex;*.sty;*.idx;*.ltx;*.latex;*.aux;
 Lisp=*.lisp;
 Lua=*.lua;
 Make=*.mak;*.mk;GNUmakefile;makefile;Makefile;makefile.*;Makefile.*;

src/filetypes.c

@@ -160,6 +160,7 @@ static void init_builtin_filetypes(void)
 	FT_INIT( SQL,        SQL,          "SQL",              NULL,                      FILE,        MISC     );
 	FT_INIT( COBOL,      COBOL,        "COBOL",            NULL,                      SOURCE_FILE, COMPILED );
 	FT_INIT( LATEX,      LATEX,        "LaTeX",            NULL,                      SOURCE_FILE, MARKUP   );
+	FT_INIT( BIBTEX,     BIBTEX,       "BibTeX",           NULL,                      SOURCE_FILE, MARKUP   );
 	FT_INIT( VHDL,       VHDL,         "VHDL",             NULL,                      SOURCE_FILE, COMPILED );
 	FT_INIT( VERILOG,    VERILOG,      "Verilog",          NULL,                      SOURCE_FILE, COMPILED );
 	FT_INIT( DIFF,       DIFF,         "Diff",             NULL,                      FILE,        MISC     );

src/filetypes.h

@@ -74,6 +74,7 @@ typedef enum
 	GEANY_FILETYPES_VALA,
 	GEANY_FILETYPES_PASCAL,
 	GEANY_FILETYPES_LATEX,
+	GEANY_FILETYPES_BIBTEX,
 	GEANY_FILETYPES_ASM,
 	GEANY_FILETYPES_CONF,
 	GEANY_FILETYPES_HAXE,

src/symbols.c

@@ -525,6 +525,17 @@ static void add_top_level_items(GeanyDocument *doc)
 				NULL);
 			break;
 		}
+		case GEANY_FILETYPES_BIBTEX:
+		{
+			tag_list_add_groups(tag_store,
+				&(tv_iters.tag_function), _("Journal Articles"), ICON_NONE,
+				&(tv_iters.tag_class), _("Books & Conference Proceedings"), ICON_NONE,
+				&(tv_iters.tag_member), _("Conference Papers"), ICON_NONE,
+				&(tv_iters.tag_variable), _("Theses"), ICON_NONE,
+				&(tv_iters.tag_struct), _("Other"), ICON_NONE,
+				NULL);
+			break;
+		}
 		case GEANY_FILETYPES_MATLAB:
 		{
 			tag_list_add_groups(tag_store,

src/tagmanager/tm_parser.c

@@ -124,6 +124,13 @@ static TMParserMapEntry map_LATEX[] = {
 	{'n', tm_tag_namespace_t},
 	{'s', tm_tag_struct_t},
 };
+static TMParserMapEntry map_BIBTEX[] = {
+	{'f', tm_tag_function_t},
+	{'c', tm_tag_class_t},
+	{'m', tm_tag_member_t},
+	{'v', tm_tag_variable_t},
+	{'s', tm_tag_struct_t},
+};
 
 static TMParserMapEntry map_ASM[] = {
 	{'d', tm_tag_macro_t},
@@ -531,6 +538,7 @@ static TMParserMap parser_map[] = {
 	MAP_ENTRY(PHP),
 	MAP_ENTRY(PYTHON),
 	MAP_ENTRY(LATEX),
+	MAP_ENTRY(BIBTEX),
 	MAP_ENTRY(ASM),
 	MAP_ENTRY(CONF),
 	MAP_ENTRY(SQL),

src/tagmanager/tm_parser.h

@@ -67,6 +67,7 @@ enum
 	TM_PARSER_PHP,
 	TM_PARSER_PYTHON,
 	TM_PARSER_LATEX,
+	TM_PARSER_BIBTEX,
 	TM_PARSER_ASM,
 	TM_PARSER_CONF,
 	TM_PARSER_SQL,