Cargo.lock

@@ -1,25 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "serde"
-version = "1.0.148"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e53f64bb4ba0191d6d0676e1b141ca55047d83b74f5607e6d8eb88126c52c2dc"
-
-[[package]]
-name = "tomcat"
-version = "0.0.1"
-dependencies = [
- "toml",
-]
-
-[[package]]
-name = "toml"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
-dependencies = [
- "serde",
-]

Cargo.toml

@@ -1,16 +0,0 @@
-[package]
-name = "tomcat"
-version = "0.0.1"
-edition = "2021"
-license = "AGPL-3.0-or-later"
-authors = [ "Emma Tebibyte <emma@tebibyte.media>" ]
-
-[dependencies]
-toml = "0.5.9"
-
-[profile.release]
-strip = true  # strip symbols from the binary
-opt-level = "z" # optimize for size
-lto = true # link time optimization
-codegen-units = 1 # decrease parallelization
-panic = "abort"

src/main.rs

@@ -1,43 +0,0 @@
-// Copyright (c) 2022 Emma Tebibyte
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-/* Tomcat is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Affero General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- * 
- * Tomcat is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
- * details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see https://www.gnu.org/licenses/.
- */
-
-use std::env;
-use std::fs::File;
-use std::io::Read;
-use std::path::Path;
-
-use toml::Value;
-
-fn main() {
-  let arguments: Vec<String> = env::args().collect();
-  let argv0 = &arguments[0];
-  let input = &arguments[2];
-  let mut content = String::new();
-  
-  let file = Path::new(&input);
-  if file.is_file() {
-    File::open(file).expect("").read_to_string(&mut content).unwrap();
-  } else { content = input.to_string(); }
-
-  let keyval: Vec<&str> = arguments[1].split(".").collect();
-  let toml = content.parse::<Value>().unwrap();
-
-  match toml.get(keyval[1]) {
-    Some(value) => println!("{}", value),
-    None => println!("{}: {}: No such table or key.", argv0, arguments[1]),
-  };
-}

tomcat

@@ -0,0 +1,73 @@
+#!/bin/sh
+
+set -e
+
+argv0="$0"
+argv1="$1"
+argv2="$2"
+
+# check usage
+if ! test -n "$1"; then
+  printf "Usage: %s [OPTIONS] [TABLE.KEY[INDEX]] [FILE]\n" "$0" 1>&2
+  exit 64 # sysexits(3) EX_USAGE
+fi
+
+# test if input has a period
+if test -n "$(printf "%s\n" "$argv1" | sed -n '/.*\..*/p')"; then
+  # cut out everything beyond the first period for TABLE
+  TABLE=$(printf "%s\n" "$argv1" | sed -n 's/\..*//p')
+
+  # cut out everything before the first period for KEY
+  KEY=$(printf "%s\n" "$argv1" | sed -n 's/^[^.]*\.//p')
+  ! test -n "$KEY" &&\
+    printf "%s: No key specified\n" "$argv0" 1>&2 &&\
+    exit 65 # sysexits(3) EX_DATAERR
+else
+  printf "%s: No key specified\n" "$argv0" 1>&2
+  exit 65 # sysexits(3) EX_DATAERR
+fi
+
+# remove array index from KEY
+KEY=$(printf "%s\n" "$KEY" | sed 's/\[.*\]//g')
+# set ARR to the array index
+ARR=$(printf "%s\n" "$argv1" | sed -n 's/.\+\[//p' | tr -d ']')
+
+# test if argument 2 is a file or not
+if test -e "$argv2"; then
+  # set TOML to the text from the file
+  TOML=$(sed 's/[^"#]#\+.*//g' <"$argv2" | sed 's/^#.*//g' )
+else
+  # set TOML to the text from stdin
+  TOML=$(printf "%s\n" "$argv2" | sed 's/[^"#]#\+.*//g')
+fi
+
+if test -n "$TABLE"; then
+  KEYS=$(printf "%s\n" "$TOML" |\
+        # output only lines between TABLE and the next table
+          awk "/^\[$TABLE\]/{flag=1; next} /^\[/{flag=0} flag" - )
+else
+  KEYS=$(printf "%s\n" "$TOML" |\
+        # output only lines before the first table
+          awk '1;/^\[/{exit}' - | sed -n '/^[^[]/p')
+fi
+
+# set VAL to the parsed KEYS list
+VAL=$(printf "%s\n" "$KEYS" |\
+        # remove the key from the string and delineate arrays, removing
+        # brackets, trailing commas, and leading spaces
+        sed -n "s/$KEY *= *//p" | sed 's/", "/	/g' | tr -d '[]"' |\
+        sed 's/, *$//g' | sed 's/^ \+//g' | sed 's/ \+$//g')
+
+# test if ARR is set; if it is, then we have an array index to grab
+if test -n "$ARR"; then
+  # change the line delineator to newlines for parsing and output the result
+  printf "%s\n" "$VAL" | sed 's/	/\n/g' | head -n "$ARR" |\
+    tail -n 1
+elif !  test -n "$VAL"; then
+  printf "%s: %s: No such key or table\n" "$argv0" "$argv1" 1>&2
+  exit 65 # sysexits(3) EX_DATAERR
+else
+  printf "%s\n" "$VAL"
+fi
+
+exit 0