From 142aaf2a92cdd7ff5f3eb0b7e2e04e15439d21fc Mon Sep 17 00:00:00 2001
From: Jim Evins <evins@snaught.com>
Date: Sat, 28 Mar 2020 19:10:28 -0400
Subject: [PATCH] Glabels-batch: allow project file to be provided on stdin.
 (#90)

---
 glabels-batch/main.cpp                  | 14 ++++++++++++--
 user-docs/_build/man/glabels-batch-qt.1 |  9 +++++----
 user-docs/_build/man/glabels-qt.1       |  2 +-
 user-docs/conf.py                       |  2 +-
 user-docs/man/glabels-batch-qt.rst      |  5 +++--
 5 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/glabels-batch/main.cpp b/glabels-batch/main.cpp
index 332ac62..274b4fc 100644
--- a/glabels-batch/main.cpp
+++ b/glabels-batch/main.cpp
@@ -44,10 +44,13 @@ namespace
 	
 #if defined(Q_OS_WIN)
 	const QString STDOUT_FILENAME = "CON:";
+	const QString STDIN_FILENAME  = "CON:";
 #elif defined(Q_OS_LINUX)
 	const QString STDOUT_FILENAME = "/dev/stdout";
+	const QString STDIN_FILENAME  = "/dev/stdin";
 #else
 	const QString STDOUT_FILENAME = "/dev/stdout";
+	const QString STDIN_FILENAME  = "/dev/stdin";
 #endif
 
 }
@@ -173,7 +176,14 @@ int main( int argc, char **argv )
 	
 	if ( parser.positionalArguments().size() == 1 )
 	{
+		qDebug() << "Batch mode.";
+
 		QString filename = parser.positionalArguments().constFirst();
+		if ( filename == "-" )
+		{
+			filename = STDIN_FILENAME;
+		}
+		qDebug() << "Project file =" << filename;
 
 		glabels::model::Model *model = glabels::model::XmlLabelParser::readFile( filename );
 		if ( model )
@@ -184,7 +194,7 @@ int main( int argc, char **argv )
 			printer.setColorMode( QPrinter::Color );
 			if ( parser.isSet("printer") )
 			{
-				qDebug() << "Batch mode.  printer =" << parser.value("printer");
+				qDebug() << "Printer =" << parser.value("printer");
 				printer.setPrinterName( parser.value("printer") );
 			}
 			else if ( parser.isSet("output") )
@@ -194,7 +204,7 @@ int main( int argc, char **argv )
 				{
 					outputFilename = STDOUT_FILENAME;
 				}
-				qDebug() << "Batch mode.  output =" << outputFilename;
+				qDebug() << "Output =" << outputFilename;
 				printer.setOutputFileName( outputFilename );
 			}
 			else
diff --git a/user-docs/_build/man/glabels-batch-qt.1 b/user-docs/_build/man/glabels-batch-qt.1
index a76103e..b052ece 100644
--- a/user-docs/_build/man/glabels-batch-qt.1
+++ b/user-docs/_build/man/glabels-batch-qt.1
@@ -1,8 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "GLABELS-BATCH-QT" "1" "Jan 02, 2020" "" "gLabels"
+.TH "GLABELS-BATCH-QT" "1" "Mar 28, 2020" "" "gLabels"
 .SH NAME
-glabels-batch-qt \- batch creation of labels and business cards
+glabels-batch-qt \- print glabels project from command line
 .
 .nr rst2man-indent-level 0
 .
@@ -32,11 +32,12 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 ..
 .SH SYNOPSIS
 .sp
-\fBglabels\-batch\-qt\fP [\fIoptions\fP] [\fIfilename\fP]
+\fBglabels\-batch\-qt\fP [\fIoptions\fP] \fIFILE\fP
 .SH DESCRIPTION
 .sp
 \fBglabels\-batch\-qt\fP is a utility for printing a glabels project file
-from the command line.  It is suitable for use with scripts.
+from the command line.  This command takes exactly one project file, FILE.  If FILE
+is "\-", it expects an XML glabels project to be provided on standard input.
 .SH OPTIONS
 .INDENT 0.0
 .TP
diff --git a/user-docs/_build/man/glabels-qt.1 b/user-docs/_build/man/glabels-qt.1
index 44a43c5..b86788b 100644
--- a/user-docs/_build/man/glabels-qt.1
+++ b/user-docs/_build/man/glabels-qt.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "GLABELS-QT" "1" "Jan 02, 2020" "" "gLabels"
+.TH "GLABELS-QT" "1" "Mar 28, 2020" "" "gLabels"
 .SH NAME
 glabels-qt \- create labels and business cards
 .
diff --git a/user-docs/conf.py b/user-docs/conf.py
index 00cd3b8..d393132 100644
--- a/user-docs/conf.py
+++ b/user-docs/conf.py
@@ -150,7 +150,7 @@ latex_documents = [
 # (source start file, name, description, authors, manual section).
 man_pages = [
     ('man/glabels-qt', 'glabels-qt', 'create labels and business cards', [], 1),
-    ('man/glabels-batch-qt', 'glabels-batch-qt', 'batch creation of labels and business cards', [], 1)
+    ('man/glabels-batch-qt', 'glabels-batch-qt', 'print glabels project from command line', [], 1)
 ]
 
 
diff --git a/user-docs/man/glabels-batch-qt.rst b/user-docs/man/glabels-batch-qt.rst
index c3f7802..cafe485 100644
--- a/user-docs/man/glabels-batch-qt.rst
+++ b/user-docs/man/glabels-batch-qt.rst
@@ -4,13 +4,14 @@ glabels-batch-qt
 SYNOPSIS
 --------
 
-**glabels-batch-qt** [*options*] [*filename*]
+**glabels-batch-qt** [*options*] *FILE*
 
 DESCRIPTION
 -----------
 
 :program:`glabels-batch-qt` is a utility for printing a glabels project file
-from the command line.  It is suitable for use with scripts.
+from the command line.  This command takes exactly one project file, FILE.  If FILE
+is "-", it expects an XML glabels project to be provided on standard input.
 
 
 OPTIONS