specifications

commit a13925a9fb469b0ca095535a4a67e5374dd831b6
parent 33f548fa7f713bd428f7a8f41c7a6a73788ce8d9
Author: finwo <finwo@pm.me>
Date:   Wed, 12 Aug 2020 11:36:53 +0200

Updated script/template.sh

Diffstat:
M
script/template.sh
 | 
35
+++++++++++++++++++++++++++++++----

1 file changed, 31 insertions(+), 4 deletions(-)
diff --git a/script/template.sh b/script/template.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 # Very simple templating system that replaces {{VAR}} by the value of $VAR.
+# Supports default values by writting {{VAR=value}} in the template.
 
 # Replaces all {{VAR}} by the $VAR value in a template file and outputs it
 
@@ -11,16 +12,19 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 usage="
 Usage:
   ${PROGNAME} -h|--help
-  ${PROGNAME} [-c|--config config_file] template_file [...template_file]
+  ${PROGNAME} [-c|--config config_file] [-p|--partials partials_dir] template_file [...template_file]
 
 Options:
-  -h --help    Show this help text
-  -c --config  Specify config file
+  -h --help             Show this help text
+  -c --config <path>    Specify config file
+  -p --partials <path>  Specify partials directory
 "
 
 # Declare storage
 declare -A TOKENS
 declare -A TEMPLATES
+declare -A PARTIALS
+PARTIALARGS=
 INDEX=0
 
 # Parse arguments
@@ -32,12 +36,22 @@ while [ "$#" -gt 0 ]; do
       ;;
     -c|--config)
       shift
+      PARTIALARGS="${PARTIALARGS} -c ${1}"
       if [[ -f "${1}" ]]; then
         while IFS='=' read key value; do
           TOKENS["$key"]="$value"
         done <<< "$(${DIR}/ini.sh ${1})"
       fi
       ;;
+    -p|--partials)
+      shift
+      PARTIALARGS="${PARTIALARGS} -p ${1}"
+      if [[ -d "${1}" ]]; then
+        while IFS=':' read name filename; do
+          PARTIALS["$name"]="${filename}"
+        done <<< "$(find "${1}" -type f -printf "%P:%p\n")"
+      fi
+      ;;
     *)
       if [[ -f "${1}" ]]; then
         TEMPLATES[$INDEX]="${1}"
@@ -55,12 +69,25 @@ if [ "${INDEX}" -eq 0 ]; then
   exit 1
 fi
 
-# Replace tokens by values
+# Handle all given templates
 for templatefile in "${TEMPLATES[@]}"; do
   CONTENT=$(cat $templatefile);
+
+  # Replace tokens
   for token in "${!TOKENS[@]}"; do
     CONTENT=${CONTENT//"{{$token}}"/"${TOKENS[$token]}"}
   done
+
+  # Handle partials
+  for partial in "${!PARTIALS[@]}"; do
+    if [[ "${CONTENT}" == *"{{>${partial}}}"* ]]; then
+      PARTIALCONTENT="$(${DIR}/${PROGNAME} ${PARTIALARGS} ${PARTIALS[$partial]})"
+      CONTENT=${CONTENT//"{{>$partial}}"/"${PARTIALCONTENT}"}
+    fi
+  done
+
+  # Output the result
   echo -e "$CONTENT"
 done
 
+