From c853ffb5b2f75f5a889ed2e3ef89b818a736e87a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Apr 2024 13:50:49 +0200
Subject: Adding upstream version 1.3+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../libcroco/docs/examples/cssom-example-1.c       | 109 +++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/3rdparty/libcroco/docs/examples/cssom-example-1.c

(limited to 'src/3rdparty/libcroco/docs/examples/cssom-example-1.c')

diff --git a/src/3rdparty/libcroco/docs/examples/cssom-example-1.c b/src/3rdparty/libcroco/docs/examples/cssom-example-1.c
new file mode 100644
index 0000000..85079ce
--- /dev/null
+++ b/src/3rdparty/libcroco/docs/examples/cssom-example-1.c
@@ -0,0 +1,109 @@
+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset:8 -*- */
+
+/**
+ *This is an example that shows how to use
+ *the CSSOM api of the libcroco CSS2 parsing library.
+ *It just parses the CSS document given in argument and
+ *it dumps it (serializes) it on the screen.
+ *
+ *To compile it using gcc, type
+ *
+ *gcc -g -Wall `croco-0.6-config --cflags`  `croco-0.6-config --libs` -o cssom-example-1 cssom-example-1.c
+ *
+ *Prior to that, you must have compiled and installed libcroco, of course.
+ *
+ *@author Dodji Seketeli
+ */
+
+#include <string.h>
+#include <libcroco/libcroco.h>
+
+/**
+ *Displays the usage of this program.
+ *@param prg_name the name of the program.
+ */
+void
+display_usage (char *prg_name)
+{
+	printf ("\nusage: %s [options] <css file to parse>\n\n", 
+                prg_name) ;
+	printf ("\twhere options are:\n") ;
+	printf ("\t--help|h\tdisplays this help\n") ;
+	printf ("\n") ;
+}
+
+
+/**
+ *Main entry point.
+ *This function illustrates a way to use libcroco.
+ *In this example, we will use a CSS Object Model parser
+ *to parse a cascading style sheet and dump what we have parsed on stdout.
+ *
+ *The goal of the object model parser is to parse a css and build
+ *an abstract tree out of it. One can then walk the tree to perform
+ *whatever action he wants. In our case, the function used to
+ *dump the tree on stdout will walk the tree and dump each one of its
+ *components (a.k.a. css statements).
+ */
+int
+main (int argc, char **argv)
+{
+	short i = 0 ;
+	enum CRStatus status = CR_OK ;
+	CRStyleSheet *stylesheet = NULL ;
+
+	/*first parse command line arguments*/
+	for (i = 1 ; i < argc ; i++)
+	{
+		if (argv[i][0] != '-')
+			break ;
+		if (!strcmp (argv[i],"--help") 
+		    || !strcmp (argv[i], "-h"))
+		{
+			display_usage (argv[0]) ;
+			return 0 ;
+		}
+		else
+		{
+			display_usage (argv[0]) ;
+			return 0 ;
+		}
+	}
+	if (i >= argc)
+	{
+		display_usage (argv[0]) ;
+		return 0;
+	}
+
+	/*****************************************************
+	 *Enough plumbering... now, the real libcroco stuffs.
+	 ***************************************************/
+
+        /*
+         *What we want here is to simply parse
+         *a CSS document using the cssom api.
+         */
+        status = cr_om_parser_simply_parse_file ((const guchar*)argv[i] /*sheet*/,
+                                                 CR_ASCII /*the encoding*/,
+                                                 &stylesheet) ;
+	if (status == CR_OK && stylesheet)
+	{
+		/*
+		 *everything went well, 
+		 *so dump the stylesheet on stdout.
+		 */
+		cr_stylesheet_dump (stylesheet, stdout) ;
+	}
+
+	if (stylesheet)
+	{
+		/*
+		 *free the the memory used to hold the css
+		 *object model
+		 */
+		cr_stylesheet_destroy (stylesheet) ;
+		stylesheet = NULL ;
+	}
+
+	return 0 ;
+}
-- 
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