Improve header script (#65)

Improve the header script by rewriting it so that it is fully
automated with a single command. It now updates the
included version file as well as the header.

Makefile

@@ -22,3 +22,6 @@ dynamic_gcc:
 clean:
 	rm -f containers.a
 	rm -f containers.so
+
+header:
+	python3 compile_headers.py $(version)

compile-headers.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-
-header_name="./containers.h"
-IFS=''
-first="1"
-
-find ./src -type f -name "*.h" | while read header;
-do
-	ignore="1"
-	if [[ $first == "1" ]];
-	then
-		first="0"
-		cp "./src/include/VERSION" "$header_name"
-	fi
-	while read line;
-	do
-		if [[ $ignore == "0" ]];
-		then
-			echo "$line" >> "$header_name"
-		elif [[ $line == *"*/"* ]];
-		then
-			ignore="0"
-			echo "" >> "$header_name"
-		fi
-	done < "$header"
-done

compile_headers.py

@@ -0,0 +1,57 @@
+import glob
+import os
+import re
+import sys
+
+github_location = "github.com/bkthomps/Containers"
+
+if len(sys.argv) != 2:
+    exit("Format: python3 compile_headers.py <version_number>")
+version = str(sys.argv[1])
+if not re.match(r"v[0-9]+\.[0-9]+\.[0-9]+", version):
+    exit("Error: version format must be: vi.j.k")
+
+license_list = []
+license_file = open("LICENSE", "r")
+i = 0
+for line in license_file:
+    if i >= 2:
+        license_list.append(line)
+    i += 1
+license_file.close()
+
+first_line = license_list[0].split(" ")
+name = ""
+i = 0
+for part in first_line:
+    if i >= 3:
+        name += part
+        name += " "
+    i += 1
+
+header = "/*\n"
+for line in license_list:
+    if line == "\n":
+        header += " *" + line
+    else:
+        header += " * " + line
+header += " */\n\n"
+header += "/*\n"
+header += " * The Containers library is hosted at: " + github_location + "\n"
+header += " * The author is: " + name
+header += "* This local version is: " + version + "\n"
+header += " */\n"
+
+version_file = open("src/include/VERSION", "w+")
+version_file.write(header)
+version_file.close()
+
+folder_path = 'src/include'
+for filename in glob.glob(os.path.join(folder_path, '*.h')):
+    with open(filename, 'r') as file:
+        text = file.read()
+        header += text.split("*/", 1)[1]
+
+containers_header_file = open("containers.h", "w+")
+containers_header_file.write(header)
+containers_header_file.close()

containers.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 Bailey Thompson
+ * Copyright (c) 2017-2020 Bailey Thompson
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -23,7 +23,7 @@
 /*
  * The Containers library is hosted at: github.com/bkthomps/Containers
  * The author is: Bailey Thompson
- * This local version is: v1.1.1
+ * This local version is: v1.1.2
  */
 
 

src/include/VERSION

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 Bailey Thompson
+ * Copyright (c) 2017-2020 Bailey Thompson
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -23,5 +23,5 @@
 /*
  * The Containers library is hosted at: github.com/bkthomps/Containers
  * The author is: Bailey Thompson
- * This local version is: v1.1.1
+ * This local version is: v1.1.2
  */