reading exif-proof of concept.

.gitignore

@@ -15,27 +15,7 @@ Cargo.lock
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 
 # User-specific stuff
-.idea/**/workspace.xml
+.idea/
-.idea/**/tasks.xml
-.idea/**/usage.statistics.xml
-.idea/**/dictionaries
-.idea/**/shelf
-
-# Generated files
-.idea/**/contentModel.xml
-
-# Sensitive or high-churn files
-.idea/**/dataSources/
-.idea/**/dataSources.ids
-.idea/**/dataSources.local.xml
-.idea/**/sqlDataSources.xml
-.idea/**/dynamic.xml
-.idea/**/uiDesigner.xml
-.idea/**/dbnavigator.xml
-
-# Gradle
-.idea/**/gradle.xml
-.idea/**/libraries
 
 # Gradle and Maven with auto-import
 # When using Gradle or Maven with auto-import, you should exclude module files,
@@ -53,9 +33,6 @@ Cargo.lock
 # CMake
 cmake-build-*/
 
-# Mongo Explorer plugin
-.idea/**/mongoSettings.xml
-
 # File-based project format
 *.iws
 

Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "curators"
+version = "0.1.0"
+authors = ["Micha Glave <mig@xilab.net>"]
+edition = "2018"
+exclude = [".travis.yml", ".gitignore", "test-data/**"]
+description = "Image Gallery. Defined by plain files."
+
+[dependencies]
+toml = "0.5"
+structopt = "0.3"
+#exempi = "2.5.0"
+strum = "0.18.0"
+strum_macros = "0.18.0"
+kamadak-exif = "0.5"

README.md

@@ -1,3 +1,10 @@
 # curators
 
 Image Gallery. Defined by plain files.
+
+## Goal:
+Image management for multiple (competing) users. Purely file-based, non-destructive, based on standards (as much as possible). Using
+
+* [Exif](https://de.wikipedia.org/wiki/Exchangeable_Image_File_Format)
+* [IPTC](https://de.wikipedia.org/wiki/IPTC-IIM-Standard)
+* [XMP](https://de.wikipedia.org/wiki/Extensible_Metadata_Platform) 

src/main.rs

@@ -0,0 +1,51 @@
+extern crate strum;
+
+use structopt::StructOpt;
+use strum_macros::EnumString;
+
+#[derive(EnumString, Debug)]
+enum Cmd {
+    #[strum(serialize = "read", serialize = "r")]
+    Read,
+    #[strum(
+        serialize = "write",
+        serialize = "w",
+        serialize = "set",
+        serialize = "s"
+    )]
+    Write,
+}
+
+#[derive(Debug, StructOpt)]
+#[structopt(name = "curators", about = "An image meta-data handling tool.")]
+struct Opt {
+    /// image-file to work with.
+    image_file: String,
+
+    /// operation
+    cmd: Option<Cmd>,
+
+    /// Property to handle.
+    property: Option<String>,
+}
+
+fn main() {
+    let opt = Opt::from_args();
+    println!("{:?}", opt);
+
+    match std::fs::File::open(&opt.image_file) {
+        Ok(file) => {
+            let mut bufreader = std::io::BufReader::new(&file);
+            let exifreader = exif::Reader::new();
+            match exifreader.read_from_container(&mut bufreader) {
+                Ok(exif) => {
+                    for f in exif.fields() {
+                        println!("{}: {}", f.tag, f.display_value().with_unit(&exif));
+                    }
+                }
+                Err(e) => println!("{:?}", e),
+            }
+        }
+        Err(e) => println!("{:?}", e),
+    }
+}