add the ability to open a file on a specified column as well as a

specified line, by allowing an argument of the form +LINE,COLUMN


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2514 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -13,6 +13,10 @@ CVS code -
 	  nanogetstr(), and do_statusbar_input(). (DLR)
 	- Update the Free Software Foundation's mailing address in
 	  various comments. (DLR)
+	- Add the ability to open a file on a specified column as well
+	  as a specified line, by allowing an argument of the form
+	  +LINE,COLUMN.  Changes to main(), nano.1, and nano.texi. (DLR,
+	  suggested by PFTank)
 - cut.c:
   cut_line()
 	- Set placewewant properly after cutting a line, to avoid a

doc/man/nano.1

@@ -6,7 +6,7 @@
 .\" Public License for copying conditions.  There is NO warranty.
 .\"
 .\" $Id$
-.TH NANO 1 "version 1.3.7" "March 26, 2005"
+.TH NANO 1 "version 1.3.7" "May 16, 2005"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 
@@ -15,7 +15,7 @@ nano \- Nano's ANOther editor, an enhanced free Pico clone
 
 .SH SYNOPSIS
 .B nano
-.I [\+LINE]\ [options]\ [file]
+.I [\+LINE,COLUMN]\ [options]\ [file]
 .br
 
 .SH DESCRIPTION
@@ -32,9 +32,9 @@ replace" and "go to line number".
 
 .SH OPTIONS
 .TP
-.B \+\fILINE\fP
-Places cursor at line number \fILINE\fP on startup, instead of the
-default of line 1.
+.B \+\fILINE\fP,\fICOLUMN\fP]
+Places cursor at line number \fILINE\fP and column number \fICOLUMN\fP
+on startup, instead of the default of line 1, column 1.
 .TP
 .B \-?
 Same as \fB-h (\-\-help)\fP.

doc/texinfo/nano.texi

@@ -9,7 +9,7 @@
 @smallbook
 @set EDITION 0.1
 @set VERSION 1.3.7
-@set UPDATED 26 Mar 2005
+@set UPDATED 16 May 2005
 
 @dircategory Editors
 @direntry
@@ -91,7 +91,7 @@ internationalization support, and filename tab completion.
 @node Overview, Command Line Options, Introduction, Introduction
 @section Overview
 
-@code{nano} +LINE [GNU long option] [option] [ @var{file ...} ]
+@code{nano} +LINE,COLUMN [GNU long option] [option] [ @var{file ...} ]
 
 The original goal for @code{nano} was a complete bug-for-bug compatible
 emulation of Pico, but @code{nano}'s main goal is to be as compatible as
@@ -106,8 +106,9 @@ Email bug reports to @email{nano@@nano-editor.org}.
 @code{nano} takes the following options from the command line:
 
 @table @code
-@item +LINE
-Start at line number LINE instead of the default of line 1.
+@item +LINE,COLUMN
+Start at line number LINE and column number COLUMN instead of the
+default of line 1, column 1.
 
 @item -?
 Same as @code{-h, --help}.

src/nano.c

@@ -1002,7 +1002,7 @@ void print1opt_full(const char *shortflag
 void usage(void)
 {
 #ifdef HAVE_GETOPT_LONG
-    printf(_("Usage: nano [+LINE] [GNU long option] [option] [file]\n\n"));
+    printf(_("Usage: nano [+LINE,COLUMN] [GNU long option] [option] [file]\n\n"));
     printf(_("Option\t\tLong option\t\tMeaning\n"));
 #else
     printf(_("Usage: nano [+LINE] [option] [file]\n\n"));
@@ -1010,7 +1010,7 @@ void usage(void)
 #endif
 
     print1opt("-h, -?", "--help", N_("Show this message"));
-    print1opt(_("+LINE"), "", N_("Start at line number LINE"));
+    print1opt(_("+LINE,COLUMN"), "", N_("Start at line LINE, column COLUMN"));
 #ifndef NANO_SMALL
     print1opt("-A", "--smarthome", N_("Enable smart home key"));
     print1opt("-B", "--backup", N_("Backup existing files on save"));
@@ -3961,8 +3961,10 @@ void do_output(char *output, size_t output_len, bool allow_cntrls)
 int main(int argc, char **argv)
 {
     int optchr;
-    int startline = 0;
+    int startline = 1;
 	/* Line to try and start at. */
+    ssize_t startcol = 1;
+	/* Column to try and start at. */
 #ifndef DISABLE_WRAPJUSTIFY
     bool fill_flag_used = FALSE;
 	/* Was the fill option used? */
@@ -4421,10 +4423,16 @@ int main(int argc, char **argv)
     fprintf(stderr, "Main: open file\n");
 #endif
 
-    /* If there's a +LINE flag here, it is the first non-option
-     * argument, and it is followed by at least one other argument, the
-     * filename it applies to. */
+    /* If there's a +LINE or +LINE,COLUMN flag here, it is the first
+     * non-option argument, and it is followed by at least one other
+     * argument, the filename it applies to. */
     if (0 < optind && optind < argc - 1 && argv[optind][0] == '+') {
+	char *comma = strchr(&argv[optind][1], ',');
+
+	if (comma != NULL)
+	    parse_num(&argv[optind][comma - argv[optind] + 1],
+		&startcol);
+
 	startline = atoi(&argv[optind][1]);
 	optind++;
     }
@@ -4436,17 +4444,32 @@ int main(int argc, char **argv)
     /* Read all the files after the first one on the command line into
      * new buffers. */
     {
-	int i = optind + 1, iline = 0;
+	int i = optind + 1, iline = 1;
+	ssize_t icol = 1;
+
 	for (; i < argc; i++) {
-	    /* If there's a +LINE flag here, it is followed by at least
-	     * one other argument, the filename it applies to. */
-	    if (i < argc - 1 && argv[i][0] == '+' && iline == 0) {
+	    /* If there's a +LINE or +LINE,COLUMN flag here, it is
+	     * followed by at least one other argument, the filename it
+	     * applies to. */
+	    if (i < argc - 1 && argv[i][0] == '+' && iline == 1 &&
+		icol == 1) {
+		char *comma = strchr(&argv[i][1], ',');
+
+		if (comma != NULL)
+		    parse_num(&argv[i][comma - argv[i] + 1], &icol);
+
 		iline = atoi(&argv[i][1]);
 	    } else {
 		load_buffer(argv[i]);
-		if (iline > 0) {
+
+		if (iline > 1) {
 		    do_gotoline(iline, FALSE);
-		    iline = 0;
+		    iline = 1;
+		}
+
+		if (icol > 1) {
+		    current_x = actual_x(current->data, icol - 1);
+		    icol = 1;
 		}
 	    }
 	}
@@ -4485,9 +4508,12 @@ int main(int argc, char **argv)
     titlebar(NULL);
     display_main_list();
 
-    if (startline > 0)
+    if (startline > 1)
 	do_gotoline(startline, FALSE);
 
+    if (startcol > 1)
+	current_x = actual_x(current->data, startcol - 1);
+
 #ifndef NANO_SMALL
     /* Return here after a SIGWINCH. */
     sigsetjmp(jmpbuf, 1);