1 files changed, 141 insertions, 0 deletions
diff --git a/src/adb_walk_gentext.c b/src/adb_walk_gentext.c
new file mode 100644
index 0000000..995dda3
--- /dev/null
+++ b/src/adb_walk_gentext.c
@@ -0,0 +1,141 @@
+#include "adb.h"
+#include "apk_print.h"
+
+static void adb_walk_gentext_indent(struct adb_walk_gentext *dt)
+{
+	int i;
+
+	if (!dt->line_started) {
+		for (i = 0; i < dt->nest; i++) {
+			fprintf(dt->out, "  ");
+		}
+	} else {
+		fprintf(dt->out, " ");
+	}
+	dt->line_started = 1;
+}
+
+static void adb_walk_gentext_newline(struct adb_walk_gentext *dt)
+{
+	dt->line_started = 0;
+	dt->key_printed = 0;
+}
+
+static int adb_walk_gentext_schema(struct adb_walk *d, uint32_t schema_id)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+	FILE *out = dt->out;
+
+	adb_walk_gentext_indent(dt);
+	fprintf(out, "#%%SCHEMA: %08X\n", schema_id);
+	adb_walk_gentext_newline(dt);
+	return 0;
+}
+
+static int adb_walk_gentext_comment(struct adb_walk *d, apk_blob_t comment)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+	FILE *out = dt->out;
+
+	adb_walk_gentext_indent(dt);
+	fprintf(out, "# "BLOB_FMT"\n", BLOB_PRINTF(comment));
+	adb_walk_gentext_newline(dt);
+	return 0;
+}
+
+static int adb_walk_gentext_start_array(struct adb_walk *d, unsigned int num)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+	FILE *out = dt->out;
+
+	adb_walk_gentext_indent(dt);
+	fprintf(out, "# %d items\n", num);
+	adb_walk_gentext_newline(dt);
+	dt->nest++;
+	return 0;
+}
+
+static int adb_walk_gentext_start_object(struct adb_walk *d)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+
+	dt->nest++;
+	return 0;
+}
+
+static int adb_walk_gentext_end(struct adb_walk *d)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+	FILE *out = dt->out;
+
+	if (dt->line_started) {
+		adb_walk_gentext_indent(dt);
+		fprintf(out, "# empty object\n");
+		adb_walk_gentext_newline(dt);
+	}
+	dt->nest--;
+	return 0;
+}
+
+static int adb_walk_gentext_key(struct adb_walk *d, apk_blob_t key)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+	FILE *out = dt->out;
+
+	if (!APK_BLOB_IS_NULL(key)) {
+		if (dt->key_printed) {
+			fprintf(out, "\n");
+			adb_walk_gentext_newline(dt);
+		}
+		adb_walk_gentext_indent(dt);
+		fprintf(out, BLOB_FMT":", BLOB_PRINTF(key));
+		dt->key_printed = 1;
+	} else {
+		adb_walk_gentext_indent(dt);
+		fprintf(out, "-");
+	}
+	return 0;
+}
+
+static int adb_walk_gentext_scalar(struct adb_walk *d, apk_blob_t scalar, int multiline)
+{
+	struct adb_walk_gentext *dt = container_of(d, struct adb_walk_gentext, d);
+	FILE *out = dt->out;
+	apk_blob_t nl = APK_BLOB_STR("\n");
+
+	adb_walk_gentext_indent(dt);
+
+	if (scalar.len >= 60 || multiline) {
+		/* long or multiline */
+		apk_blob_t l;
+
+		fprintf(out, "|\n");
+		adb_walk_gentext_newline(dt);
+		dt->nest++;
+		while (apk_blob_split(scalar, nl, &l, &scalar)) {
+			adb_walk_gentext_indent(dt);
+			fprintf(out, BLOB_FMT"\n", BLOB_PRINTF(l));
+			adb_walk_gentext_newline(dt);
+		}
+		if (scalar.len) {
+			adb_walk_gentext_indent(dt);
+			fprintf(out, BLOB_FMT"\n", BLOB_PRINTF(scalar));
+			adb_walk_gentext_newline(dt);
+		}
+		dt->nest--;
+	} else {
+		fprintf(out, BLOB_FMT"\n", BLOB_PRINTF(scalar));
+		adb_walk_gentext_newline(dt);
+	}
+	return 0;
+}
+
+const struct adb_walk_ops adb_walk_gentext_ops = {
+	.schema = adb_walk_gentext_schema,
+	.comment = adb_walk_gentext_comment,
+	.start_array = adb_walk_gentext_start_array,
+	.start_object = adb_walk_gentext_start_object,
+	.end = adb_walk_gentext_end,
+	.key = adb_walk_gentext_key,
+	.scalar = adb_walk_gentext_scalar,
+};