Merge pull request #80 from GlitchMr/php-server

PHP HTTP server

plugins/php/phphttp.fish

+# PHP HTTP server.
+function phphttp
+    set -l port 8000
+    set -l path
+    set -l host 127.0.0.1
+
+    # Ignore argument for slice.
+    set argv $argv ignore
+
+    # Process options. I think that fish should have some builtin for
+    # option parsing, but it doesn't.
+    while count $argv > /dev/null
+        set -l option $argv[1]
+
+        switch $option
+        # When two hyphens appear, stop processing, while removing
+        # hyphens from $argv.
+        case --
+            set argv $argv[2..-1]
+            break
+
+        # Public mode.
+        case -p\* --p --pu --pub --publ --publi --public p public
+            if test $host = 0
+                echo phphttp: Duplicate option --public >&2
+            end
+            set host 0
+
+        # Help.
+        case -h\* --h --he --hel --help '-\?' h help
+            echo 'phphttp [--public] <port=8000> <path=.>'
+            return
+
+        # Anything else stops processing.
+        case \*
+            break
+        end
+
+        # Check if the option was one letter.
+        switch $option
+        case --\*
+            # Doesn't count as single option
+
+        case -\?\?\*
+            set argv[1] -(expr substr $argv[1] 3 length $argv[1])
+            continue
+        end
+
+        set argv $argv[2..-1]
+    end
+
+    if test (count $argv[1..-1]) -ge 4
+        echo 'phphttp: Expected up to two arguments, got '(math (count $argv) - 1)'.' >&2
+        return
+    end
+
+    # argv is bigger by 1 because of "ignore" argument.
+    if test (count $argv) -ge 2
+        # Check legality of first argument
+        switch $argv[1]
+        # Fine values
+        case {0,1,2,3,4,5,6,7,8,9}\*
+            # Do nothing
+
+        case \*
+            # The dev team thinks of everything. Or something.
+            if test -d $argv[1]
+                if test (count $argv) -eq 2
+                    echo "phphttp: directory specified without port."  >&2
+                else
+                    echo "phphttp: swapped directory and port arguments." >&2
+                end
+                return
+            else
+                echo "phphttp: $argv[1] is not a port."  >&2
+                return
+            end
+        end
+
+        set port $argv[1]
+    end
+    if test (count $argv) -eq 3
+        set path -t$argv[2]
+    end
+
+    php -S$host:$port $path
+end