!/usr/bin/env bash

Variables

if [ $# -eq 0 ]; then 

echo -e "No arguments supplied. \n\nCorrect Usage:\n    webify-gemini.sh <Gemini source directory> <HTML source directory> <Capsule address> <Website address>\n\nExample:\n    webify-gemini.sh /var/gemini/users/$USER/ /home/$USER/public_html/ gemini://gemini.ctrl-c.club/~$USER/ http://ctrl-c.club/~$USER/"


exit 1

elif [ $# -eq 1 ]; then 

if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then


    echo -e "Usage:\n    webify-gemini.sh <Gemini source directory> <HTML source directory> <Capsule address> <Website address>\n\nExample:\n    webify-gemini.sh /var/gemini/users/$USER/ /home/$USER/public_html/ gemini://gemini.ctrl-c.club/~$USER/ http://ctrl-c.club/~$USER/"


    exit 0


fi

elif ! [ $# -eq 4 ]; then 

echo -e "Incorrect number of arguments.\n\nCorrect Usage:\n    webify-gemini.sh <Gemini source directory> <HTML source directory> <Capsule address> <Website address>\n\nExample:\n    webify-gemini.sh /var/gemini/users/$USER/ /home/$USER/public_html/ gemini://gemini.ctrl-c.club/~$USER/ http://ctrl-c.club/~$USER/"


exit 1

fi

geminiDirectory="$1"

htmlDirectory="$2"

geminiAddress="$3"

webAddress="$4"

Trim ending slash from varables

if [ "${geminiDirectory: -1}" == "/" ]; then 

geminiDirectory=$(echo -n "$geminiDirectory" | rev | cut -c 2- | rev)

fi

if [ "${htmlDirectory: -1}" == "/" ]; then 

htmlDirectory=$(echo -n "$htmlDirectory" | rev | cut -c 2- | rev)

fi

if [ "${geminiAddress: -1}" == "/" ]; then 

geminiAddress=$(echo -n "$geminiAddress" | rev | cut -c 2- | rev)

fi

if [ "${webAddress: -1}" == "/" ]; then 

webAddress=$(echo -n "$webAddress" | rev | cut -c 2- | rev)

fi

Find all .gmi and .gemini files in the user's gemini directory, then return

the paths of these files relative to the user's gemini directory, omitting

the file extension

function findFilesWithoutExtension() { 

# All *.gmi files


find "$geminiDirectory/" -name '*.gmi' -printf "%P\n" | while read -r file


do


    echo "$file" | rev | cut -f 2- -d '.' | rev


done


# All *.gemini files


find "$geminiDirectory/" -name '*.gemini' -printf "%P\n" | while read -r file


do


    echo "$file" | rev | cut -f 2- -d '.' | rev


done

}

Find all subdirectories of the user's gemini directory

function findDirectories() { 

find "$geminiDirectory/" -type d -printf "%P\n"

}

Make sure all the subdirectories exist

for directory in $(findDirectories)

do 

mkdir -p "$htmlDirectory/$directory"

done

Copy all non-gemtext files into the user's public_html folder

find "$geminiDirectory/" -type f -printf "%P\n" | while read -r file

do 

if [ "${file: -4}" != ".gmi" ] && [ "${file: -7}" != ".gemini" ]; then


    cp "$geminiDirectory/$file" "$htmlDirectory/$file"


fi

done

Make sure $htmlDirectory/style.css exists

if ! test -f "$htmlDirectory/style.css"; then 

echo "/* This file controls the styling of your website. For an example style.css

file, see http://ctrl-c.club/~lovetocode999/style.css */

/* Normal text */

p {}

/* Links */

a {}

/* Headers */

h1 {}

/* Sub-headers */

h2 {}

/* Sub-sub-headers */

h3 {}

/* Bulleted lists */

ul {}

/* List items */

li {}

/* Blockquotes */

blockquote {}

/* Preformatted text */

pre {}

/* Applies to all separate elements */

/* Applies to the entire page as one element */

body {}" > "$htmlDirectory/style.css"

fi

Make sure $htmlDirectory/footer.html exists

if ! test -f "$htmlDirectory/footer.html"; then 

touch "$htmlDirectory/footer.html"

fi

Make sure $htmlDirectory/header.html exists

if ! test -f "$htmlDirectory/header.html"; then 

touch "$htmlDirectory/header.html"

fi

Convert all the gemtext files into html files, and copy them into the user's

public_html directory

for file in $(findFilesWithoutExtension)

do 

# Check whether file is a .gmi or .gemini file


if test -f "$geminiDirectory/$file.gmi"; then


    filename="$geminiDirectory/$file.gmi"


else


    filename="$geminiDirectory/$file.gemini"


fi


# Set the title to the content of the first header


title=$(awk 'BEGIN{FPAT="([^ ]+)"}{if ($1=="#"){$1="";$2="\b"$2;print $0;exit}}' "$filename")


# Run the file through awk, passing the gemini address, web address and


# title to awk as varables


awk -v title="$title" -v webAddress="$webAddress" '


BEGIN {


    # header.html


    # Split the file by spaces


    FPAT = "([^ ]+)"


    # Print the start of the html file, up to the <body> tag


    print "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>"title"</title>\n    <link rel=\"stylesheet\" href=\""webAddress"/style.css\">\n</head>\n<body>"


}


{


    print "    "$0;


}


' "$htmlDirectory/header.html" > "$htmlDirectory/$file.html"


awk -v geminiAddress="$geminiAddress" -v webAddress="$webAddress" '


BEGIN {


    # Split the file by spaces


    FPAT = "([^ ]+)"


    # These varables will be used later on


    urlcount=0 # Number of urls


    headnum=0 # Number of headers


    subheadnum=0 # Number of sub-headers


    subsubheadnum=0 # Number of sub-sub-headers


    pre=0 # Whether or not the current text is preformatted


    bullist=0 # Whether or not a bulleted list was just formed


}


{


    # Replace special characters with their HTML equivalents


    gsub(/</, "\\&lt;")


    gsub(/>/, "\\&gt;")


    gsub(/=&gt;/, "=>")


    # If the line is ```, toggle preformatted text


    if ($1 == "```") {


        # The next four lines check if the previous line was part of a


        # bulleted list, and, if it was, print a closing </ul> tag. These


        # four lines are present at the start of every if expression,


        # except for the one that prints an actual list


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        # Toggle pre


        pre = !pre


        # If pre, print a <pre> tag, else, print a closing </pre> tag


        if (pre) {


            print "    <pre>"


        }


        else {


            print "    </pre>"


        }


    }


    # If the text is preformatted, just print it without checking for any


    # formatting


    else if (pre) {


        print $0


    }


    # Bulleted list


    else if ($1 == "*") {


        # We do not need to print the asterisk, so set the variable holding


        # it to an empty string


        $1 = ""


        # If bullist, print just an <li> tag containing the text, else


        # print a starting <ul> as well as an <li> tag containing the text


        if (bullist) {


            print "        <li>"$0"</li>"


        }


        else {


            bullist = !bullist


            print "    <ul>\n        <li>"$0"</li>"


        }


    }


    # Blockquotes


    else if ($1 == ">") {


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        $1 = ""


        print "    <blockquote>"$0"</blockquote>"


    }


    # Headers


    else if ($1 == "#") {


        headnum++


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        $1 = ""


        print "    <h1 id=\""headnum"\">"$0"</h1>"


    }


    # Sub-headers


    else if ($1 == "##") {


        subheadnum++


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        $1 = ""


        print "    <h2 id=\""headnum"."subheadnum"\">"$0"</h2>"


    }


    # Sub-sub-headers


    else if ($1 == "###") {


        subsubheadnum++


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        $1 = ""


        print "    <h3 id=\""headnum"."subheadnum"."subsubheadnum"\">"$0"</h3>"


    }


    # Links


    else if ($1 == "=>") {


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        # Increment the number of urls


        urlcount++


        # Substitute all occurrences of .gmi and .gemini with .html,


        # substitute all occurrences of $geminiAddress with $webAddress,


        sub(geminiAddress, webAddress)


        if ($2 ~ webAddress) {


            sub(/\.gmi/, ".html")


            sub(/\.gemini/, ".html")


        }


        # Set the url to the second argument


        url = $2


        # Set the first two arguments to nothing, so only the link text is


        # printed


        $1 = ""


        $2 = ""


        # Print a href tag with url as the url text and $0 as the link text,


        # then print a <br /> tag so that multiple consecutive urls do not


        # end up on the same line


        print "    <a href=\""url"\">"$0"</a><br />"


    }


    # If none of these previous formatting statements run, just print the


    # text in a <p> tag


    else {


        if (bullist) {


            bullist = !bullist


            print "    </ul>"


        }


        print "    <p>"$0"</p>"


    }


}


END {


    if (bullist) {


        bullist = !bullist


        print "    </ul>"


    }


}


' "$filename" >> "$htmlDirectory/$file.html"


awk '


BEGIN {


    # footer.html


    # Split the file by spaces


    FPAT = "([^ ]+)"


}


{


    print "    "$0;


}


END {


    # Finally, print a closing </body> and </html>


    print "</body>\n</html>"


}


' "$htmlDirectory/footer.html" >> "$htmlDirectory/$file.html"


echo "Converted ${filename} to ${htmlDirectory}/${file}.html"

done

Proxy Information
Original URL
gemini://gemini.ctrl-c.club/~lovetocode999/scripts/webify-gemini.sh
Status Code
Success (20)
Meta
text/x-sh; charset=utf-8
Capsule Response Time
455.663414 milliseconds
Gemini-to-HTML Time
2.705756 milliseconds

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