From a9b34ca3f27ed0b3c10effd3fb884936d9b02485 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Mon, 5 Jun 2023 17:52:58 +0200
Subject: Unite most info tools into just one binary

Turn this into more of an fq alternative, when used with jq.

Also don't say that TIFF files are Exif.
---
 tools/info.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'tools/info.h')

diff --git a/tools/info.h b/tools/info.h
index 0d7a699..d640f35 100644
--- a/tools/info.h
+++ b/tools/info.h
@@ -278,6 +278,25 @@ parse_exif(jv o, const uint8_t *p, size_t len)
 	return o;
 }
 
+static bool
+detect_tiff(const uint8_t *p, size_t len)
+{
+	return tiffer_init(&(struct tiffer) {}, p, len);
+}
+
+// TODO(p): Photoshop data and ICC profiles also have their tag in TIFF,
+// they're not currently processed.
+static jv
+parse_tiff(jv o, const uint8_t *p, size_t len)
+{
+	struct tiffer T = {};
+	if (!tiffer_init(&T, p, len))
+		return add_warning(o, "invalid TIFF");
+	while (tiffer_next_ifd(&T))
+		o = add_to_subarray(o, "TIFF", parse_exif_ifd(&T, tiff_entries));
+	return o;
+}
+
 // --- Photoshop Image Resources -----------------------------------------------
 // Adobe XMP Specification Part 3: Storage in Files, 2020/1, 1.1.3 + 3.1.3
 // https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/
@@ -1084,6 +1103,12 @@ parse_marker(uint8_t marker, const uint8_t *p, const uint8_t *end,
 	return p;
 }
 
+static bool
+detect_jpeg(const uint8_t *p, size_t len)
+{
+	return len >= 2 && p[0] == 0xff && p[1] == SOI;
+}
+
 static jv
 parse_jpeg(jv o, const uint8_t *p, size_t len)
 {
-- 
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