From a3480ec447f420a49bdf89f80a500c0dc3aecc2e Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 13 Jul 2023 17:19:42 +0200
Subject: Implement data_template_group_info()

---
 libcrystfel/src/datatemplate.c | 37 +++++++++++++++++++++++++++++++++++++
 libcrystfel/src/datatemplate.h | 10 ++++++++++
 2 files changed, 47 insertions(+)

(limited to 'libcrystfel/src')

diff --git a/libcrystfel/src/datatemplate.c b/libcrystfel/src/datatemplate.c
index 6adfb9f3..fd7f2761 100644
--- a/libcrystfel/src/datatemplate.c
+++ b/libcrystfel/src/datatemplate.c
@@ -2623,3 +2623,40 @@ int data_template_write_to_file(const DataTemplate *dtempl, const char *filename
 	fclose(fh);
 	return 0;
 }
+
+
+static void add_group_info(struct dg_group_info *ginfo, int *ppos,
+                           struct panel_group_template *group,
+                           int serial, int level, int c_mul)
+{
+	int j;
+	int i = *ppos;
+	(*ppos)++;
+
+	ginfo[i].name = group->name;
+	ginfo[i].serial = serial;
+	ginfo[i].hierarchy_level = level;
+
+	for ( j=0; j<group->n_children; j++ ) {
+		add_group_info(ginfo, ppos, group->children[j],
+		               serial+c_mul*(j+1), level+1, c_mul*100);
+	}
+}
+
+
+struct dg_group_info *data_template_group_info(const DataTemplate *dtempl, int *n)
+{
+	struct dg_group_info *ginfo;
+	int i;
+	struct panel_group_template *group;
+
+	ginfo = malloc(sizeof(struct dg_group_info)*dtempl->n_groups);
+	if ( ginfo == NULL ) return NULL;
+
+	group = find_group(dtempl, "all");
+	i = 0;
+	add_group_info(ginfo, &i, group, 0, 0, 100);
+
+	*n = dtempl->n_groups;
+	return ginfo;
+}
diff --git a/libcrystfel/src/datatemplate.h b/libcrystfel/src/datatemplate.h
index c20cbcce..07f2387d 100644
--- a/libcrystfel/src/datatemplate.h
+++ b/libcrystfel/src/datatemplate.h
@@ -43,6 +43,14 @@
 typedef struct _datatemplate DataTemplate;
 
 
+struct dg_group_info
+{
+	const char *name;
+	int serial;
+	int hierarchy_level;
+};
+
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -98,6 +106,8 @@ extern int data_template_rotate_group(DataTemplate *dtempl,
 extern int data_template_write_to_file(const DataTemplate *dtempl,
                                        const char *filename);
 
+extern struct dg_group_info *data_template_group_info(const DataTemplate *dtempl, int *n);
+
 #ifdef __cplusplus
 }
 #endif
-- 
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