rename all applets sources to app_*.c

1 files changed, 179 insertions, 0 deletions

diff --git a/src/app_dot.c b/src/app_dot.c
new file mode 100644
index 0000000..b85d69b
--- /dev/null
+++ b/src/app_dot.c
@@ -0,0 +1,179 @@
+/* app_dot.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#include <stdio.h>
+#include <fnmatch.h>
+
+#include "apk_applet.h"
+#include "apk_database.h"
+#include "apk_print.h"
+
+#define S_EVALUATED	-1
+#define S_EVALUATING	-2
+
+struct dot_ctx {
+	int not_empty : 1;
+	int errors_only : 1;
+	int installed_only : 1;
+};
+
+static int option_parse_applet(void *pctx, struct apk_db_options *dbopts, int optch, const char *optarg)
+{
+	struct dot_ctx *ctx = (struct dot_ctx *) pctx;
+
+	switch (optch) {
+	case 0x10000:
+		ctx->errors_only = 1;
+		break;
+	case 0x10001:
+		ctx->installed_only = 1;
+		dbopts->open_flags &= ~APK_OPENF_NO_INSTALLED;
+		break;
+	default:
+		return -ENOTSUP;
+	}
+	return 0;
+}
+
+static const struct apk_option options_applet[] = {
+	{ 0x10000, "errors" },
+	{ 0x10001, "installed" },
+};
+
+static const struct apk_option_group optgroup_applet = {
+	.name = "Dot",
+	.options = options_applet,
+	.num_options = ARRAY_SIZE(options_applet),
+	.parse = option_parse_applet,
+};
+
+static void start_graph(struct dot_ctx *ctx)
+{
+	if (ctx->not_empty)
+		return;
+	ctx->not_empty = 1;
+
+	printf( "digraph \"apkindex\" {\n"
+		"  rankdir=LR;\n"
+		"  node [shape=box];\n");
+}
+
+static void dump_name(struct dot_ctx *ctx, struct apk_name *name)
+{
+	if (name->state_int)
+		return;
+	name->state_int = 1;
+
+	if (name->providers->num == 0) {
+		start_graph(ctx);
+		printf("  \"%s\" [style=dashed, color=red, fontcolor=red, shape=octagon];\n",
+			name->name);
+	}
+}
+
+static int dump_pkg(struct dot_ctx *ctx, struct apk_package *pkg)
+{
+	struct apk_dependency *dep;
+	struct apk_provider *p0;
+	int r, ret = 0;
+
+	if (ctx->installed_only && pkg->ipkg == NULL)
+		return 0;
+
+	if (pkg->state_int == S_EVALUATED)
+		return 0;
+
+	if (pkg->state_int <= S_EVALUATING) {
+		pkg->state_int--;
+		return 1;
+	}
+
+	pkg->state_int = S_EVALUATING;
+	foreach_array_item(dep, pkg->depends) {
+		struct apk_name *name = dep->name;
+
+		dump_name(ctx, name);
+
+		if (name->providers->num == 0) {
+			printf("  \"" PKG_VER_FMT "\" -> \"%s\" [color=red];\n",
+				PKG_VER_PRINTF(pkg), name->name);
+			continue;
+		}
+
+		foreach_array_item(p0, name->providers) {
+			if (ctx->installed_only && p0->pkg->ipkg == NULL)
+				continue;
+			if (!apk_dep_is_provided(dep, p0))
+				continue;
+
+			r = dump_pkg(ctx, p0->pkg);
+			ret += r;
+			if (r || (!ctx->errors_only)) {
+				start_graph(ctx);
+
+				printf("  \"" PKG_VER_FMT "\" -> \"" PKG_VER_FMT "\"[",
+					PKG_VER_PRINTF(pkg),
+					PKG_VER_PRINTF(p0->pkg));
+				if (r)
+					printf("color=red,");
+				if (p0->pkg->name != dep->name)
+					printf("arrowhead=inv,label=\"%s\",", dep->name->name);
+				printf("];\n");
+			}
+		}
+	}
+	ret -= S_EVALUATING - pkg->state_int;
+	pkg->state_int = S_EVALUATED;
+
+	return ret;
+}
+
+static int foreach_pkg(apk_hash_item item, void *ctx)
+{
+	dump_pkg((struct dot_ctx *) ctx, (struct apk_package *) item);
+	return 0;
+}
+
+static int dot_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
+{
+	struct dot_ctx *ctx = (struct dot_ctx *) pctx;
+	struct apk_provider *p;
+	char **parg;
+
+	if (args->num) {
+		foreach_array_item(parg, args) {
+			struct apk_name *name = apk_db_get_name(db, APK_BLOB_STR(*parg));
+			if (!name)
+				continue;
+			foreach_array_item(p, name->providers)
+				dump_pkg(ctx, p->pkg);
+		}
+	} else {
+		apk_hash_foreach(&db->available.packages, foreach_pkg, pctx);
+	}
+
+	if (!ctx->not_empty)
+		return 1;
+
+	printf("}\n");
+	return 0;
+}
+
+static struct apk_applet apk_dot = {
+	.name = "dot",
+	.arguments = "PKGMASK...",
+	.open_flags = APK_OPENF_READ | APK_OPENF_NO_STATE,
+	.command_groups = APK_COMMAND_GROUP_QUERY,
+	.context_size = sizeof(struct dot_ctx),
+	.optgroups = { &optgroup_global, &optgroup_applet },
+	.main = dot_main,
+};
+
+APK_DEFINE_APPLET(apk_dot);