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Moving delimiters and standalone to global vars

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Tyler Akins 2023-04-10 13:24:06 -05:00
parent 3a58ee390e
commit d32b912472
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3 changed files with 165 additions and 213 deletions
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@ -48,6 +48,7 @@
#/ MO_ALLOW_FUNCTION_ARGUMENTS - When set to a non-empty value, this allows #/ MO_ALLOW_FUNCTION_ARGUMENTS - When set to a non-empty value, this allows
#/ functions referenced in templates to receive additional options and #/ functions referenced in templates to receive additional options and
#/ arguments. #/ arguments.
#/ MO_CLOSE_DELIMITER - The string used when closing a tag. Defaults to "}}".
#/ MO_DEBUG - When set to a non-empty value, additional debug information is #/ MO_DEBUG - When set to a non-empty value, additional debug information is
#/ written to stderr. #/ written to stderr.
#/ MO_FUNCTION_ARGS - Arguments passed to the function. #/ MO_FUNCTION_ARGS - Arguments passed to the function.
@ -59,8 +60,13 @@
#/ variable will be aborted with an error. #/ variable will be aborted with an error.
#/ MO_FALSE_IS_EMPTY - When set to a non-empty value, the string "false" will #/ MO_FALSE_IS_EMPTY - When set to a non-empty value, the string "false" will
#/ be treated as an empty value for the purposes of conditionals. #/ be treated as an empty value for the purposes of conditionals.
#/ MO_OPEN_DELIMITER - The string used when opening a tag. Defaults to "{{".
#/ MO_ORIGINAL_COMMAND - Used to find the `mo` program in order to generate a #/ MO_ORIGINAL_COMMAND - Used to find the `mo` program in order to generate a
#/ help message. #/ help message.
#/ MO_STANDALONE_CONTENT - The content that preceeded the current tag. When a
#/ standalone tag is encountered, this is checked to see if it only
#/ contains whitespace. If this and the whitespace condition after a tag is
#/ met, then this will be reset to $'\n'.
#/ #/
#/ Mo is under a MIT style licence with an additional non-advertising clause. #/ Mo is under a MIT style licence with an additional non-advertising clause.
#/ See LICENSE.md for the full text. #/ See LICENSE.md for the full text.
@ -167,8 +173,22 @@ mo() (
fi fi
mo::debug "Debug enabled" mo::debug "Debug enabled"
# shellcheck disable=SC2030
MO_OPEN_DELIMITER="${MO_OPEN_DELIMITER:-"{{"}"
# shellcheck disable=SC2030
MO_CLOSE_DELIMITER="${MO_CLOSE_DELIMITER:-"}}"}"
# The standalone content is a trick to make the standalone tag detection
# possible. When it's set to content with a newline and if the tag supports
# it, the standalone content check happens. This check ensures only
# whitespace is after the last newline up to the tag, and only whitespace
# is after the tag up to the next newline. If that is the case, remove
# whitespace and the trailing newline. By setting this to $'\n', we're
# saying we are at the beginning of content.
# shellcheck disable=SC2030
MO_STANDALONE_CONTENT=$'\n'
mo::content moContent "${moFiles[@]}" || return 1 mo::content moContent "${moFiles[@]}" || return 1
mo::parse moResult "$moContent" "" "" "{{" "}}" "" $'\n' mo::parse moResult "$moContent" "" "" ""
echo -n "${moResult[0]}${moResult[1]}" echo -n "${moResult[0]}${moResult[1]}"
) )
@ -181,7 +201,7 @@ mo() (
mo::debug() { mo::debug() {
# shellcheck disable=SC2031 # shellcheck disable=SC2031
if [[ -n "${MO_DEBUG:-}" ]]; then if [[ -n "${MO_DEBUG:-}" ]]; then
echo "DEBUG: $1" >&2 echo "DEBUG ${FUNCNAME[1]:-?} - $1" >&2
fi fi
} }
@ -219,7 +239,7 @@ mo::usage() {
# Internal: Fetches the content to parse into a variable. Can be a list of # Internal: Fetches the content to parse into a variable. Can be a list of
# partials for files or the content from stdin. # partials for files or the content from stdin.
# #
# $1 - Target variable to store results # $1 - Target variable to store results
# $2-@ - File names (optional), read from stdin otherwise # $2-@ - File names (optional), read from stdin otherwise
# #
# Returns nothing. # Returns nothing.
@ -234,7 +254,8 @@ mo::content() {
for moFilename in "$@"; do for moFilename in "$@"; do
mo::debug "Using template to load content from file: $moFilename" mo::debug "Using template to load content from file: $moFilename"
#: This is so relative paths work from inside template files #: This is so relative paths work from inside template files
moContent="$moContent"'{{>'"$moFilename"'}}' # shellcheck disable=SC2031
moContent="$moContent$MO_OPEN_DELIMITER>$moFilename$MO_CLOSE_DELIMITER"
done done
else else
mo::debug "Will read content from stdin" mo::debug "Will read content from stdin"
@ -299,7 +320,7 @@ mo::indirect() {
# Internal: Send an array as a variable up to caller of a function # Internal: Send an array as a variable up to caller of a function
# #
# $1 - Variable name # $1 - Variable name
# $2-@ - Array elements # $2-@ - Array elements
# #
# Examples # Examples
@ -344,14 +365,14 @@ mo::findString() {
# #
# $1 - Destination variable # $1 - Destination variable
# $2 - String to split # $2 - String to split
# $3 - Starting delimiter
# #
# Returns nothing. # Returns nothing.
mo::split() { mo::split() {
local moPos moResult local moPos moResult
moResult=("$2") moResult=("$2")
mo::findString moPos "${moResult[0]}" "$3" # shellcheck disable=SC2031
mo::findString moPos "${moResult[0]}" "$MO_OPEN_DELIMITER"
if [[ "$moPos" -ne -1 ]]; then if [[ "$moPos" -ne -1 ]]; then
# The first delimiter was found # The first delimiter was found
@ -365,8 +386,8 @@ mo::split() {
# Internal: Trim leading characters # Internal: Trim leading characters
# #
# $1 - Name of destination variable # $1 - Name of destination variable
# $2 - The string # $2 - The string
# #
# Returns nothing. # Returns nothing.
mo::trim() { mo::trim() {
@ -417,106 +438,91 @@ mo::chomp() {
# $2 - Block of text to change # $2 - Block of text to change
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Current block name # $4 - Current block name
# $5 - Open delimiter ("{{") # $5 - Fast mode (skip to end of block) if non-empty
# $6 - Close delimiter ("}}")
# $7 - Fast mode (skip to end of block) if non-empty
# $8 - Starting standalone content hack
#
# The standalone content is a trick to make the standalone tag detection
# possible. When it's set to content with a newline and if the tag supports it,
# the standalone content check happens. This check ensures only whitespace is
# after the last newline up to the tag, and only whitespace is after the tag up
# to the next newline. If that is the case, remove whitespace and the trailing
# newline. By setting this to $'\n', we're saying we are at the beginning of
# content.
# #
# Array has the following elements # Array has the following elements
# [0] - Parsed content # [0] - Parsed content
# [1] - Unparsed content after the closing tag # [1] - Unparsed content after the closing tag
# [2] - Standalone content hack
# #
# Returns nothing. # Returns nothing.
mo::parse() { mo::parse() {
local moContent moCurrent moOpenDelimiter moCloseDelimiter moResult moSplit moParseChunk moFastMode moStandaloneContent moRemainder local moContent moCurrent moResult moSplit moParseChunk moFastMode moRemainder
moContent=$2 moContent=$2
moCurrent=$3 moCurrent=$3
moCurrentBlock=$4 moCurrentBlock=$4
moOpenDelimiter=$5 moFastMode=$5
moCloseDelimiter=$6
moFastMode=$7
moStandaloneContent=$8
moResult="" moResult=""
moRemainder="" moRemainder=""
mo::debug "Starting parse, current: $moCurrent, ending tag: $moCurrentBlock, fast: $moFastMode" mo::debug "Starting parse, current: $moCurrent, ending tag: $moCurrentBlock, fast: $moFastMode"
while [[ "${#moContent}" -gt 0 ]]; do while [[ "${#moContent}" -gt 0 ]]; do
# Both escaped and unescaped content are treated the same. # Both escaped and unescaped content are treated the same.
mo::split moSplit "$moContent" "$moOpenDelimiter" # shellcheck disable=SC2031
mo::split moSplit "$moContent" "$MO_OPEN_DELIMITER"
if [[ "${#moSplit[@]}" -gt 1 ]]; then if [[ "${#moSplit[@]}" -gt 1 ]]; then
moResult="$moResult${moSplit[0]}" moResult="$moResult${moSplit[0]}"
moStandaloneContent="$moStandaloneContent${moSplit[0]}" # shellcheck disable=SC2031
MO_STANDALONE_CONTENT="$MO_STANDALONE_CONTENT${moSplit[0]}"
mo::trim moContent "${moSplit[1]}" mo::trim moContent "${moSplit[1]}"
case $moContent in case $moContent in
'#'*) '#'*)
# Loop, if/then, or pass content through function # Loop, if/then, or pass content through function
mo::parseBlock moParseChunk "$moResult" "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" false "$moStandaloneContent" mo::parseBlock moParseChunk "$moResult" "$moContent" "$moCurrent" false
;; ;;
'>'*) '>'*)
# Load partial - get name of file relative to cwd # Load partial - get name of file relative to cwd
mo::parsePartial moParseChunk "$moResult" "$moContent" "$moCurrent" "$moCloseDelimiter" "$moFastMode" "$moStandaloneContent" mo::parsePartial moParseChunk "$moResult" "$moContent" "$moCurrent" "$moFastMode"
;; ;;
'/'*) '/'*)
# Closing tag # Closing tag
mo::parseCloseTag moParseChunk "$moResult" "$moContent" "$moCurrent" "$moCloseDelimiter" "$moCurrentBlock" "$moStandaloneContent" mo::parseCloseTag moParseChunk "$moResult" "$moContent" "$moCurrent" "$moCurrentBlock"
moRemainder=${moParseChunk[3]} moRemainder=${moParseChunk[2]}
;; ;;
'^'*) '^'*)
# Display section if named thing does not exist # Display section if named thing does not exist
mo::parseBlock moParseChunk "$moResult" "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" true "$moStandaloneContent" mo::parseBlock moParseChunk "$moResult" "$moContent" "$moCurrent" true
;; ;;
'!'*) '!'*)
# Comment - ignore the tag content entirely # Comment - ignore the tag content entirely
mo::parseComment moParseChunk "$moResult" "$moContent" "$moCloseDelimiter" "$moStandaloneContent" mo::parseComment moParseChunk "$moResult" "$moContent"
;; ;;
'='*) '='*)
# Change delimiters # Change delimiters
# Any two non-whitespace sequences separated by whitespace. # Any two non-whitespace sequences separated by whitespace.
mo::parseDelimiter moParseChunk "$moResult" "$moContent" "$moCloseDelimiter" "$moStandaloneContent" mo::parseDelimiter moParseChunk "$moResult" "$moContent"
moOpenDelimiter=${moParseChunk[3]}
moCloseDelimiter=${moParseChunk[4]}
;; ;;
'&'*) '&'*)
# Unescaped - mo doesn't escape # Unescaped - mo doesn't escape
moContent=${moContent#&} moContent=${moContent#&}
mo::trim moContent "$moContent" mo::trim moContent "$moContent"
mo::parseValue moParseChunk "$moResult" "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" "$moFastMode" mo::parseValue moParseChunk "$moResult" "$moContent" "$moCurrent" "$moFastMode"
;; ;;
*) *)
# Normal environment variable, string, subexpression, # Normal environment variable, string, subexpression,
# current value, key, or function call # current value, key, or function call
mo::parseValue moParseChunk "$moResult" "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" "$moFastMode" mo::parseValue moParseChunk "$moResult" "$moContent" "$moCurrent" "$moFastMode"
;; ;;
esac esac
moResult=${moParseChunk[0]} moResult=${moParseChunk[0]}
moContent=${moParseChunk[1]} moContent=${moParseChunk[1]}
moStandaloneContent=${moParseChunk[2]}
else else
moResult="$moResult$moContent" moResult="$moResult$moContent"
moContent="" moContent=""
fi fi
done done
local "$1" && mo::indirectArray "$1" "$moResult" "$moRemainder" "$moStandaloneContent" local "$1" && mo::indirectArray "$1" "$moResult" "$moRemainder"
} }
@ -526,49 +532,40 @@ mo::parse() {
# $2 - Previously parsed # $2 - Previously parsed
# $3 - Content # $3 - Content
# $4 - Current name (the variable NAME for what {{.}} means) # $4 - Current name (the variable NAME for what {{.}} means)
# $5 - Open delimiter # $5 - Invert condition ("true" or "false")
# $6 - Close delimiter
# $7 - Invert condition ("true" or "false")
# $8 - Standalone content
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Returns nothing # Returns nothing
mo::parseBlock() { mo::parseBlock() {
local moContent moCurrent moOpenDelimiter moCloseDelimiter moInvertBlock moArgs moParseResult moPrevious moStandaloneContent local moContent moCurrent moInvertBlock moArgs moParseResult moPrevious
moPrevious=$2 moPrevious=$2
mo::trim moContent "${3:1}" mo::trim moContent "${3:1}"
moCurrent=$4 moCurrent=$4
moOpenDelimiter=$5 moInvertBlock=$5
moCloseDelimiter=$6 mo::parseValueInner moArgs "$moContent" "$moCurrent"
moInvertBlock=$7 # shellcheck disable=SC2031
moStandaloneContent=$8 moContent="${moArgs[0]#$MO_CLOSE_DELIMITER}"
mo::parseValueInner moArgs "$moContent" "$moCurrent" "$moCloseDelimiter"
moContent="${moArgs[0]#$moCloseDelimiter}"
moArgs=("${moArgs[@]:1}") moArgs=("${moArgs[@]:1}")
mo::debug "Parsing block: ${moArgs[*]}" mo::debug "Parsing block: ${moArgs[*]}"
if mo::standaloneCheck "$moStandaloneContent" "$moContent"; then if mo::standaloneCheck "$moContent"; then
mo::standaloneProcessBefore moPrevious "$moPrevious" mo::standaloneProcessBefore moPrevious "$moPrevious"
mo::standaloneProcessAfter moContent "$moContent" mo::standaloneProcessAfter moContent "$moContent"
moStandaloneContent=$'\n'
else
moStandaloneContent=""
fi fi
if [[ "${moArgs[0]}" == "NAME" ]] && mo::isFunction "${moArgs[1]}"; then if [[ "${moArgs[0]}" == "NAME" ]] && mo::isFunction "${moArgs[1]}"; then
mo::parseBlockFunction moParseResult "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" "$moInvertBlock" "$moStandaloneContent" "${moArgs[@]}" mo::parseBlockFunction moParseResult "$moContent" "$moCurrent" "$moInvertBlock" "${moArgs[@]}"
elif [[ "${moArgs[0]}" == "NAME" ]] && mo::isArray "${moArgs[1]}"; then elif [[ "${moArgs[0]}" == "NAME" ]] && mo::isArray "${moArgs[1]}"; then
mo::parseBlockArray moParseResult "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" "$moInvertBlock" "$moStandaloneContent" "${moArgs[@]}" mo::parseBlockArray moParseResult "$moContent" "$moCurrent" "$moInvertBlock" "${moArgs[@]}"
else else
mo::parseBlockValue moParseResult "$moContent" "$moCurrent" "$moOpenDelimiter" "$moCloseDelimiter" "$moInvertBlock" "$moStandaloneContent" "${moArgs[@]}" mo::parseBlockValue moParseResult "$moContent" "$moCurrent" "$moInvertBlock" "${moArgs[@]}"
fi fi
local "$1" && mo::indirectArray "$1" "$moPrevious${moParseResult[0]}" "${moParseResult[1]}" "${moParseResult[2]}" local "$1" && mo::indirectArray "$1" "$moPrevious${moParseResult[0]}" "${moParseResult[1]}"
} }
@ -577,16 +574,12 @@ mo::parseBlock() {
# $1 - Destination variable name, will be set to an array # $1 - Destination variable name, will be set to an array
# $2 - Content # $2 - Content
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Open delimiter # $5 - Invert condition ("true" or "false")
# $5 - Close delimiter # $6-@ - The parsed arguments from inside the block tags
# $6 - Invert condition ("true" or "false")
# $7 - Standalone content
# $8-$* - The parsed arguments from inside the block tags
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Returns nothing # Returns nothing
mo::parseBlockFunction() { mo::parseBlockFunction() {
@ -595,33 +588,29 @@ mo::parseBlockFunction() {
moTarget=$1 moTarget=$1
moContent=$2 moContent=$2
moCurrent=$3 moCurrent=$3
moOpenDelimiter=$4 moInvertBlock=$4
moCloseDelimiter=$5 shift 4
moInvertBlock=$6
moStandaloneContent=$7
shift 7
moArgs=(${@+"$@"}) moArgs=(${@+"$@"})
mo::debug "Parsing block function: ${moArgs[*]}" mo::debug "Parsing block function: ${moArgs[*]}"
if [[ "$moInvertBlock" == "true" ]]; then if [[ "$moInvertBlock" == "true" ]]; then
# The function exists and we're inverting the section, so skip the # The function exists and we're inverting the section, so skip the
# block content. # block content.
mo::parse moParseResult "$moContent" "$moCurrent" "${moArgs[1]}" "$moOpenDelimiter" "$moCloseDelimiter" "FAST-FUNCTION" "$moStandaloneContent" mo::parse moParseResult "$moContent" "$moCurrent" "${moArgs[1]}" "FAST-FUNCTION"
moResult="" moResult=""
moContent="${moParseResult[1]}" moContent="${moParseResult[1]}"
else else
# Get contents of block after parsing # Get contents of block after parsing
mo::parse moParseResult "$moContent" "$moCurrent" "${moArgs[1]}" "$moOpenDelimiter" "$moCloseDelimiter" "" "$moStandaloneContent" mo::parse moParseResult "$moContent" "$moCurrent" "${moArgs[1]}" ""
# Pass contents to function # Pass contents to function
mo::evaluateFunction moResult "${moParseResult[0]}" "${moArgs[@]:1}" mo::evaluateFunction moResult "${moParseResult[0]}" "${moArgs[@]:1}"
fi fi
moContent=${moParseResult[1]} moContent=${moParseResult[1]}
moStandaloneContent=${moParseResult[2]}
mo::debug "Done parsing block array: ${moArgs[*]}" mo::debug "Done parsing block array: ${moArgs[*]}"
local "$moTarget" && mo::indirectArray "$moTarget" "$moResult" "$moContent" "$moStandaloneContent" local "$moTarget" && mo::indirectArray "$moTarget" "$moResult" "$moContent"
} }
@ -630,29 +619,22 @@ mo::parseBlockFunction() {
# $1 - Destination variable name, will be set to an array # $1 - Destination variable name, will be set to an array
# $2 - Content # $2 - Content
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Open delimiter # $4 - Invert condition ("true" or "false")
# $5 - Close delimiter # $5-@ - The parsed arguments from inside the block tags
# $6 - Invert condition ("true" or "false")
# $7 - Standalone content
# $8-$* - The parsed arguments from inside the block tags
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Returns nothing # Returns nothing
mo::parseBlockArray() { mo::parseBlockArray() {
local moTarget moContent moCurrent moOpenDelimiter moCloseDelimiter moInvertBlock moArgs moParseResult moResult moStandaloneContent moArrayName moArrayIndexes moArrayIndex local moTarget moContent moCurrent moInvertBlock moArgs moParseResult moResult moArrayName moArrayIndexes moArrayIndex
moTarget=$1 moTarget=$1
moContent=$2 moContent=$2
moCurrent=$3 moCurrent=$3
moOpenDelimiter=$4 moInvertBlock=$4
moCloseDelimiter=$5 shift 4
moInvertBlock=$6
moStandaloneContent=$7
shift 7
moArgs=(${@+"$@"}) moArgs=(${@+"$@"})
mo::debug "Parsing block array: ${moArgs[*]}" mo::debug "Parsing block array: ${moArgs[*]}"
moArrayName=${moArgs[1]} moArrayName=${moArgs[1]}
@ -662,34 +644,33 @@ mo::parseBlockArray() {
# No elements # No elements
if [[ "$moInvertBlock" == "true" ]]; then if [[ "$moInvertBlock" == "true" ]]; then
# Show the block # Show the block
mo::parse moParseResult "$moContent" "$moArrayName" "$moArrayName" "$moOpenDelimiter" "$moCloseDelimiter" "" "$moStandaloneContent" mo::parse moParseResult "$moContent" "$moArrayName" "$moArrayName" ""
moResult=${moParseResult[0]} moResult=${moParseResult[0]}
else else
# Skip the block processing # Skip the block processing
mo::parse moParseResult "$moContent" "$moArrayName" "$moArrayName" "$moOpenDelimiter" "$moCloseDelimiter" "FAST-EMPTY" "$moStandaloneContent" mo::parse moParseResult "$moContent" "$moArrayName" "$moArrayName" "FAST-EMPTY"
moResult="" moResult=""
fi fi
else else
if [[ "$moInvertBlock" == "true" ]]; then if [[ "$moInvertBlock" == "true" ]]; then
# Skip the block processing # Skip the block processing
mo::parse moParseResult "$moContent" "$moArrayName" "$moArrayName" "$moOpenDelimiter" "$moCloseDelimiter" "FAST-EMPTY" "$moStandaloneContent" mo::parse moParseResult "$moContent" "$moArrayName" "$moArrayName" "FAST-EMPTY"
moResult="" moResult=""
else else
moResult="" moResult=""
# Process for each element in the array # Process for each element in the array
for moArrayIndex in "${moArrayIndexes[@]}"; do for moArrayIndex in "${moArrayIndexes[@]}"; do
mo::debug "Iterate over array using element: $moArrayName.$moArrayIndex" mo::debug "Iterate over array using element: $moArrayName.$moArrayIndex"
mo::parse moParseResult "$moContent" "$moArrayName.$moArrayIndex" "${moArgs[1]}" "$moOpenDelimiter" "$moCloseDelimiter" "" "$moStandaloneContent" mo::parse moParseResult "$moContent" "$moArrayName.$moArrayIndex" "${moArgs[1]}" ""
moResult="$moResult${moParseResult[0]}" moResult="$moResult${moParseResult[0]}"
done done
fi fi
fi fi
moContent=${moParseResult[1]} moContent=${moParseResult[1]}
moStandaloneContent=${moParseResult[2]}
mo::debug "Done parsing block array: ${moArgs[*]}" mo::debug "Done parsing block array: ${moArgs[*]}"
local "$moTarget" && mo::indirectArray "$moTarget" "$moResult" "$moContent" "$moStandaloneContent" local "$moTarget" && mo::indirectArray "$moTarget" "$moResult" "$moContent"
} }
@ -698,29 +679,22 @@ mo::parseBlockArray() {
# $1 - Destination variable name, will be set to an array # $1 - Destination variable name, will be set to an array
# $2 - Content # $2 - Content
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Open delimiter # $4 - Invert condition ("true" or "false")
# $5 - Close delimiter # $5-@ - The parsed arguments from inside the block tags
# $6 - Invert condition ("true" or "false")
# $7 - Standalone content
# $8-$* - The parsed arguments from inside the block tags
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Returns nothing # Returns nothing
mo::parseBlockValue() { mo::parseBlockValue() {
local moTarget moContent moCurrent moOpenDelimiter moCloseDelimiter moInvertBlock moArgs moParseResult moResult moStandaloneContent local moTarget moContent moCurrent moInvertBlock moArgs moParseResult moResult
moTarget=$1 moTarget=$1
moContent=$2 moContent=$2
moCurrent=$3 moCurrent=$3
moOpenDelimiter=$4 moInvertBlock=$4
moCloseDelimiter=$5 shift 4
moInvertBlock=$6
moStandaloneContent=$7
shift 7
moArgs=(${@+"$@"}) moArgs=(${@+"$@"})
mo::debug "Parsing block value: ${moArgs[*]}" mo::debug "Parsing block value: ${moArgs[*]}"
@ -729,19 +703,18 @@ mo::parseBlockValue() {
if mo::isTruthy "$moResult" "$moInvertBlock"; then if mo::isTruthy "$moResult" "$moInvertBlock"; then
mo::debug "Block is truthy: $moResult" mo::debug "Block is truthy: $moResult"
mo::parse moParseResult "$moContent" "${moArgs[1]}" "${moArgs[1]}" "$moOpenDelimiter" "$moCloseDelimiter" "" "$moStandaloneContent" mo::parse moParseResult "$moContent" "${moArgs[1]}" "${moArgs[1]}" ""
moResult="${moParseResult[0]}" moResult="${moParseResult[0]}"
else else
mo::debug "Block is falsy: $moResult" mo::debug "Block is falsy: $moResult"
mo::parse moParseResult "$moContent" "${moArgs[1]}" "${moArgs[1]}" "$moOpenDelimiter" "$moCloseDelimiter" "FAST-FALSY" "$moStandaloneContent" mo::parse moParseResult "$moContent" "${moArgs[1]}" "${moArgs[1]}" "FAST-FALSY"
moResult="" moResult=""
fi fi
moContent=${moParseResult[1]} moContent=${moParseResult[1]}
moStandaloneContent=${moParseResult[2]}
mo::debug "Done parsing block value: ${moArgs[*]}" mo::debug "Done parsing block value: ${moArgs[*]}"
local "$moTarget" && mo::indirectArray "$moTarget" "$moResult" "$moContent" "$moStandaloneContent" local "$moTarget" && mo::indirectArray "$moTarget" "$moResult" "$moContent"
} }
@ -751,14 +724,11 @@ mo::parseBlockValue() {
# $2 - Previously parsed # $2 - Previously parsed
# $3 - Content # $3 - Content
# $4 - Current name (the variable NAME for what {{.}} means) # $4 - Current name (the variable NAME for what {{.}} means)
# $5 - Close delimiter for the current tag # $5 - Fast mode (skip to end of block) if non-empty
# $6 - Fast mode (skip to end of block) if non-empty
# $7 - Standalone content
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Indentation will be applied to the entire partial's contents that are # Indentation will be applied to the entire partial's contents that are
# returned. This indentation is based on the whitespace that ends the # returned. This indentation is based on the whitespace that ends the
@ -766,19 +736,19 @@ mo::parseBlockValue() {
# #
# Returns nothing # Returns nothing
mo::parsePartial() { mo::parsePartial() {
local moContent moCurrent moCloseDelimiter moFilename moResult moFastMode moPrevious moStandaloneContent moIndentation moN moR local moContent moCurrent moFilename moResult moFastMode moPrevious moIndentation moN moR
moPrevious=$2 moPrevious=$2
mo::trim moContent "${3:1}" mo::trim moContent "${3:1}"
moCurrent=$4 moCurrent=$4
moCloseDelimiter=$5 moFastMode=$5
moFastMode=$6 # shellcheck disable=SC2031
moStandaloneContent=$7 mo::chomp moFilename "${moContent%%"$MO_CLOSE_DELIMITER"*}"
mo::chomp moFilename "${moContent%%"$moCloseDelimiter"*}" # shellcheck disable=SC2031
moContent="${moContent#*"$moCloseDelimiter"}" moContent="${moContent#*"$MO_CLOSE_DELIMITER"}"
moIndentation="" moIndentation=""
if mo::standaloneCheck "$moStandaloneContent" "$moContent"; then if mo::standaloneCheck "$moContent"; then
moN=$'\n' moN=$'\n'
moR=$'\r' moR=$'\r'
moIndentation="$moN${moPrevious//"$moR"/"$moN"}" moIndentation="$moN${moPrevious//"$moR"/"$moN"}"
@ -786,9 +756,6 @@ mo::parsePartial() {
mo::debug "Adding indentation to partial: '$moIndentation'" mo::debug "Adding indentation to partial: '$moIndentation'"
mo::standaloneProcessBefore moPrevious "$moPrevious" mo::standaloneProcessBefore moPrevious "$moPrevious"
mo::standaloneProcessAfter moContent "$moContent" mo::standaloneProcessAfter moContent "$moContent"
moStandaloneContent=$'\n'
else
moStandaloneContent=""
fi fi
if [[ -n "$moFastMode" ]]; then if [[ -n "$moFastMode" ]]; then
@ -809,7 +776,13 @@ mo::parsePartial() {
mo::indentLines moResult "$moResult" "$moIndentation" mo::indentLines moResult "$moResult" "$moIndentation"
# Delimiters are reset when loading a new partial # Delimiters are reset when loading a new partial
mo::parse moResult "$moResult" "$moCurrent" "" "{{" "}}" "" $'\n' # shellcheck disable=SC2030
MO_OPEN_DELIMITER="{{"
# shellcheck disable=SC2030
MO_CLOSE_DELIMITER="}}"
# shellcheck disable=SC2030
MO_STANDALONE_CONTENT=""
mo::parse moResult "$moResult" "$moCurrent" "" ""
# Fix bash handling of subshells and keep trailing whitespace. # Fix bash handling of subshells and keep trailing whitespace.
echo -n "${moResult[0]}${moResult[1]}." echo -n "${moResult[0]}${moResult[1]}."
@ -824,7 +797,7 @@ mo::parsePartial() {
moResult=${moResult%.} moResult=${moResult%.}
fi fi
local "$1" && mo::indirectArray "$1" "$moPrevious$moResult" "$moContent" "$moStandaloneContent" local "$1" && mo::indirectArray "$1" "$moPrevious$moResult" "$moContent"
} }
@ -834,36 +807,29 @@ mo::parsePartial() {
# $2 - Previous content # $2 - Previous content
# $3 - Content # $3 - Content
# $4 - Current name (the variable NAME for what {{.}} means) # $4 - Current name (the variable NAME for what {{.}} means)
# $5 - Close delimiter for the current tag # $5 - Current block being processed
# $6 - Current block being processed
# $7 - Standalone content
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text ($2) # [0] = the result text ($2)
# [1] = remaining content to parse, excluding the closing delimiter (nothing) # [1] = remaining content to parse, excluding the closing delimiter (nothing)
# [2] = standalone content trick
# [3] = unparsed content outside of the block (the remainder) # [3] = unparsed content outside of the block (the remainder)
# #
# Returns nothing. # Returns nothing.
mo::parseCloseTag() { mo::parseCloseTag() {
local moContent moArgs moCurrent moCloseDelimiter moCurrentBlock moPrevious moStandaloneContent local moContent moArgs moCurrent moCurrentBlock moPrevious
moPrevious=$2 moPrevious=$2
mo::trim moContent "${3:1}" mo::trim moContent "${3:1}"
moCurrent=$4 moCurrent=$4
moCloseDelimiter=$5 moCurrentBlock=$5
moCurrentBlock=$6 mo::parseValueInner moArgs "$moContent" "$moCurrent"
moStandaloneContent=$7 # shellcheck disable=SC2031
mo::parseValueInner moArgs "$moContent" "$moCurrent" "$moCloseDelimiter" moContent="${moArgs[0]#"$MO_CLOSE_DELIMITER"}"
moContent="${moArgs[0]#$moCloseDelimiter}"
mo::debug "Closing tag: ${moArgs[2]}" mo::debug "Closing tag: ${moArgs[2]}"
if mo::standaloneCheck "$moStandaloneContent" "$moContent"; then if mo::standaloneCheck "$moContent"; then
mo::standaloneProcessBefore moPrevious "$moPrevious" mo::standaloneProcessBefore moPrevious "$moPrevious"
mo::standaloneProcessAfter moContent "$moContent" mo::standaloneProcessAfter moContent "$moContent"
moStandaloneContent=$'\n'
else
moStandaloneContent=""
fi fi
if [[ -n "$moCurrentBlock" ]] && [[ "${moArgs[2]}" != "$moCurrentBlock" ]]; then if [[ -n "$moCurrentBlock" ]] && [[ "${moArgs[2]}" != "$moCurrentBlock" ]]; then
@ -872,7 +838,7 @@ mo::parseCloseTag() {
mo::error "Unexpected close tag: ${moArgs[2]}" mo::error "Unexpected close tag: ${moArgs[2]}"
fi fi
local "$1" && mo::indirectArray "$1" "$moPrevious" "" "$moStandaloneContent" "$moContent" local "$1" && mo::indirectArray "$1" "$moPrevious" "" "$moContent"
} }
@ -881,34 +847,27 @@ mo::parseCloseTag() {
# $1 - Destination variable name, will be set to an array # $1 - Destination variable name, will be set to an array
# $2 - Previous content # $2 - Previous content
# $3 - Content # $3 - Content
# $4 - Close delimiter for the current tag
# $5 - Standalone content
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Returns nothing # Returns nothing
mo::parseComment() { mo::parseComment() {
local moContent moCloseDelimiter moStandaloneContent moPrevious moContent moCloseDelimiter local moContent moPrevious moContent
moPrevious=$2 moPrevious=$2
moContent=$3 moContent=$3
moCloseDelimiter=$4 # shellcheck disable=SC2031
moStandaloneContent=$5 moContent=${moContent#*"$MO_CLOSE_DELIMITER"}
moContent=${moContent#*"$moCloseDelimiter"}
mo::debug "Parsing comment" mo::debug "Parsing comment"
if mo::standaloneCheck "$moStandaloneContent" "$moContent"; then if mo::standaloneCheck "$moContent"; then
mo::standaloneProcessBefore moPrevious "$moPrevious" mo::standaloneProcessBefore moPrevious "$moPrevious"
mo::standaloneProcessAfter moContent "$moContent" mo::standaloneProcessAfter moContent "$moContent"
moStandaloneContent=$'\n'
else
moStandaloneContent=""
fi fi
local "$1" && mo::indirectArray "$1" "$moPrevious" "$moContent" "$moStandaloneContent" local "$1" && mo::indirectArray "$1" "$moPrevious" "$moContent"
} }
@ -917,40 +876,35 @@ mo::parseComment() {
# $1 - Destination variable name, will be set to an array # $1 - Destination variable name, will be set to an array
# $2 - Previous content # $2 - Previous content
# $3 - Content # $3 - Content
# $4 - Close delimiter for the current tag
# $5 - Standalone content
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# [3] = new open delimiter
# [4] = new close delimiter
# #
# Returns nothing # Returns nothing
mo::parseDelimiter() { mo::parseDelimiter() {
local moContent moCloseDelimiter moOpen moClose moPrevious moStandaloneContent local moContent moOpen moClose moPrevious
moPrevious=$2 moPrevious=$2
mo::trim moContent "${3#=}" mo::trim moContent "${3#=}"
moCloseDelimiter=$4
moStandaloneContent=$5
mo::chomp moOpen "$moContent" mo::chomp moOpen "$moContent"
moContent=${moContent:${#moOpen}} moContent=${moContent:${#moOpen}}
mo::trim moContent "$moContent" mo::trim moContent "$moContent"
mo::chomp moClose "${moContent%%="$moCloseDelimiter"*}" # shellcheck disable=SC2031
moContent=${moContent#*="$moCloseDelimiter"} mo::chomp moClose "${moContent%%="$MO_CLOSE_DELIMITER"*}"
# shellcheck disable=SC2031
moContent=${moContent#*="$MO_CLOSE_DELIMITER"}
mo::debug "Parsing delimiters: $moOpen $moClose" mo::debug "Parsing delimiters: $moOpen $moClose"
if mo::standaloneCheck "$moStandaloneContent" "$moContent"; then if mo::standaloneCheck "$moContent"; then
mo::standaloneProcessBefore moPrevious "$moPrevious" mo::standaloneProcessBefore moPrevious "$moPrevious"
mo::standaloneProcessAfter moContent "$moContent" mo::standaloneProcessAfter moContent "$moContent"
moStandaloneContent=$'\n'
else
moStandaloneContent=""
fi fi
local "$1" && mo::indirectArray "$1" "$moPrevious" "$moContent" "$moStandaloneContent" "$moOpen" "$moClose" MO_OPEN_DELIMITER="$moOpen"
MO_CLOSE_DELIMITER="$moClose"
local "$1" && mo::indirectArray "$1" "$moPrevious" "$moContent"
} }
@ -960,28 +914,23 @@ mo::parseDelimiter() {
# $2 - Previous content # $2 - Previous content
# $3 - Content # $3 - Content
# $4 - Current name (the variable NAME for what {{.}} means) # $4 - Current name (the variable NAME for what {{.}} means)
# $5 - Open delimiter for the current tag
# $6 - Close delimiter for the current tag
# $7 - Fast mode (skip to end of block) if non-empty # $7 - Fast mode (skip to end of block) if non-empty
# #
# The destination value will be an array # The destination value will be an array
# [0] = the result text # [0] = the result text
# [1] = remaining content to parse, excluding the closing delimiter # [1] = remaining content to parse, excluding the closing delimiter
# [2] = standalone content trick
# #
# Returns nothing # Returns nothing
mo::parseValue() { mo::parseValue() {
local moContent moContentOriginal moOpenDelimiter moCurrent moCloseDelimiter moArgs moResult moFastMode moPrevious local moContent moContentOriginal moCurrent moArgs moResult moFastMode moPrevious
moPrevious=$2 moPrevious=$2
moContentOriginal=$3 moContentOriginal=$3
moCurrent=$4 moCurrent=$4
moOpenDelimiter=$5 moFastMode=$5
moCloseDelimiter=$6 mo::trim moContent "${moContentOriginal#"$MO_OPEN_DELIMITER"}"
moFastMode=$7
mo::trim moContent "${moContentOriginal#"$moOpenDelimiter"}"
mo::parseValueInner moArgs "$moContent" "$moCurrent" "$moCloseDelimiter" mo::parseValueInner moArgs "$moContent" "$moCurrent"
moContent=${moArgs[0]} moContent=${moArgs[0]}
moArgs=("${moArgs[@]:1}") moArgs=("${moArgs[@]:1}")
@ -991,13 +940,13 @@ mo::parseValue() {
mo::evaluate moResult "$moCurrent" "${moArgs[@]}" mo::evaluate moResult "$moCurrent" "${moArgs[@]}"
fi fi
if [[ "${moContent:0:${#moCloseDelimiter}}" != "$moCloseDelimiter" ]]; then if [[ "${moContent:0:${#MO_CLOSE_DELIMITER}}" != "$MO_CLOSE_DELIMITER" ]]; then
mo::error "Did not find closing tag near: $moContentOriginal" mo::error "Did not find closing tag near: $moContentOriginal"
fi fi
moContent=${moContent:${#moCloseDelimiter}} moContent=${moContent:${#MO_CLOSE_DELIMITER}}
local "$1" && mo::indirectArray "$1" "$moPrevious$moResult" "$moContent" "" local "$1" && mo::indirectArray "$1" "$moPrevious$moResult" "$moContent"
} }
@ -1006,23 +955,21 @@ mo::parseValue() {
# $1 - Destination variable name, will be set to an array # $1 - Destination variable name, will be set to an array
# $2 - Content # $2 - Content
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Close delimiter for the current tag
# #
# The destination value will be an array # The destination value will be an array
# [0] = remaining content to parse, including the closing delimiter # [0] = remaining content to parse, including the closing delimiter
# [1-*] = a list of argument type, argument name/value # [1-@] = a list of argument type, argument name/value
# #
# Returns nothing # Returns nothing
mo::parseValueInner() { mo::parseValueInner() {
local moContent moCurrent moCloseDelimiter moArgs moArgResult moResult local moContent moCurrent moArgs moArgResult moResult
moContent=$2 moContent=$2
moCurrent=$3 moCurrent=$3
moCloseDelimiter=$4
moArgs=() moArgs=()
while [[ "$moContent" != "$moCloseDelimiter"* ]] && [[ "$moContent" != "}"* ]] && [[ "$moContent" != ")"* ]] && [[ -n "$moContent" ]]; do while [[ "$moContent" != "$MO_CLOSE_DELIMITER"* ]] && [[ "$moContent" != "}"* ]] && [[ "$moContent" != ")"* ]] && [[ -n "$moContent" ]]; do
mo::getArgument moArgResult "$moCurrent" "$moContent" "$moCloseDelimiter" mo::getArgument moArgResult "$moCurrent" "$moContent"
moArgs=(${moArgs[@]+"${moArgs[@]}"} "${moArgResult[0]}" "${moArgResult[1]}") moArgs=(${moArgs[@]+"${moArgs[@]}"} "${moArgResult[0]}" "${moArgResult[1]}")
mo::trim moContent "${moArgResult[2]}" mo::trim moContent "${moArgResult[2]}"
done done
@ -1037,7 +984,6 @@ mo::parseValueInner() {
# #
# $1 - Destination variable name. Will be an array. # $1 - Destination variable name. Will be an array.
# $2 - Content # $2 - Content
# $3 - Closing delimiter
# #
# The array will have the following elements # The array will have the following elements
# [0] = argument type, "NAME" or "VALUE" # [0] = argument type, "NAME" or "VALUE"
@ -1046,19 +992,18 @@ mo::parseValueInner() {
# #
# Returns nothing # Returns nothing
mo::getArgument() { mo::getArgument() {
local moContent moCurrent moClosingDelimiter moArg local moContent moCurrent moArg
moCurrent=$2 moCurrent=$2
moContent=$3 moContent=$3
moClosingDelimiter=$4
case "$moContent" in case "$moContent" in
'{'*) '{'*)
mo::getArgumentBrace moArg "$moContent" "$moCurrent" "$moClosingDelimiter" mo::getArgumentBrace moArg "$moContent" "$moCurrent"
;; ;;
'('*) '('*)
mo::getArgumentParenthesis moArg "$moContent" "$moCurrent" "$moClosingDelimiter" mo::getArgumentParenthesis moArg "$moContent" "$moCurrent"
;; ;;
'"'*) '"'*)
@ -1070,7 +1015,7 @@ mo::getArgument() {
;; ;;
*) *)
mo::getArgumentDefault moArg "$moContent" "$moClosingDelimiter" mo::getArgumentDefault moArg "$moContent"
esac esac
mo::debug "Found argument: ${moArg[0]} ${moArg[1]}" mo::debug "Found argument: ${moArg[0]} ${moArg[1]}"
@ -1084,7 +1029,6 @@ mo::getArgument() {
# $1 - Destination variable name, an array with two elements # $1 - Destination variable name, an array with two elements
# $2 - Content # $2 - Content
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Close delimiter for the current tag
# #
# The array has the following elements. # The array has the following elements.
# [0] = argument type, "NAME" or "VALUE" # [0] = argument type, "NAME" or "VALUE"
@ -1093,12 +1037,11 @@ mo::getArgument() {
# #
# Returns nothing. # Returns nothing.
mo::getArgumentBrace() { mo::getArgumentBrace() {
local moResult moContent moCurrent moCloseDelimiter moArgs local moResult moContent moCurrent moArgs
mo::trim moContent "${2:1}" mo::trim moContent "${2:1}"
moCurrent=$3 moCurrent=$3
moCloseDelimiter=$4 mo::parseValueInner moResult "$moContent" "$moCurrent"
mo::parseValueInner moResult "$moContent" "$moCurrent" "$moCloseDelimiter"
moContent="${moResult[0]}" moContent="${moResult[0]}"
moArgs=("${moResult[@]:1}") moArgs=("${moResult[@]:1}")
mo::evaluate moResult "$moCurrent" "${moArgs[@]}" mo::evaluate moResult "$moCurrent" "${moArgs[@]}"
@ -1118,7 +1061,6 @@ mo::getArgumentBrace() {
# $1 - Destination variable name, an array with two elements # $1 - Destination variable name, an array with two elements
# $2 - Content # $2 - Content
# $3 - Current name (the variable NAME for what {{.}} means) # $3 - Current name (the variable NAME for what {{.}} means)
# $4 - Close delimiter for the current tag
# #
# The array has the following elements. # The array has the following elements.
# [0] = argument type, "NAME" or "VALUE" # [0] = argument type, "NAME" or "VALUE"
@ -1127,12 +1069,11 @@ mo::getArgumentBrace() {
# #
# Returns nothing. # Returns nothing.
mo::getArgumentParenthesis() { mo::getArgumentParenthesis() {
local moResult moContent moCurrent moCloseDelimiter local moResult moContent moCurrent
mo::trim moContent "${2:1}" mo::trim moContent "${2:1}"
moCurrent=$3 moCurrent=$3
moCloseDelimiter=$4 mo::parseValueInner moResult "$moContent" "$moCurrent"
mo::parseValueInner moResult "$moContent" "$moCurrent" "$moCloseDelimiter"
moContent="${moResult[1]}" moContent="${moResult[1]}"
if [[ "${moContent:0:1}" != ")" ]]; then if [[ "${moContent:0:1}" != ")" ]]; then
@ -1237,7 +1178,6 @@ mo::getArgumentSingleQuote() {
# #
# $1 - Destination variable name, an array with two elements # $1 - Destination variable name, an array with two elements
# $2 - Content # $2 - Content
# $3 - Closing delimiter
# #
# The array has the following elements. # The array has the following elements.
# [0] = argument type, "NAME" or "VALUE" # [0] = argument type, "NAME" or "VALUE"
@ -1249,7 +1189,7 @@ mo::getArgumentDefault() {
local moTemp moContent local moTemp moContent
moTemp=$2 moTemp=$2
mo::chomp moTemp "${moTemp%%"$3"*}" mo::chomp moTemp "${moTemp%%"$MO_CLOSE_DELIMITER"*}"
moTemp=${moTemp%%)*} moTemp=${moTemp%%)*}
moTemp=${moTemp%%\}*} moTemp=${moTemp%%\}*}
moContent=${2:${#moTemp}} moContent=${2:${#moTemp}}
@ -1408,7 +1348,7 @@ mo::isTruthy() {
# #
# $1 - Destination variable name # $1 - Destination variable name
# $2 - Current name (the variable NAME for what {{.}} means) # $2 - Current name (the variable NAME for what {{.}} means)
# $3-$* - A list of argument types and argument name/value. # $3-@ - A list of argument types and argument name/value.
# #
# Sample call: # Sample call:
# #
@ -1439,7 +1379,7 @@ mo::evaluate() {
# #
# $1 - Destination variable name # $1 - Destination variable name
# $2 - Current name (the variable NAME for what {{.}} means) # $2 - Current name (the variable NAME for what {{.}} means)
# $3-$* - A list of argument types and argument name/value. # $3-@ - A list of argument types and argument name/value.
# #
# This assumes each value is separate from the rest. In contrast, mo::evaluate # This assumes each value is separate from the rest. In contrast, mo::evaluate
# will pass all arguments to a function if the first value is a function. # will pass all arguments to a function if the first value is a function.
@ -1618,7 +1558,7 @@ mo::findVariableName() {
# #
# $1 - Variable name to receive the joined content # $1 - Variable name to receive the joined content
# $2 - Joiner # $2 - Joiner
# $3-$* - Elements to join # $3-@ - Elements to join
# #
# Returns nothing. # Returns nothing.
mo::join() { mo::join() {
@ -1642,7 +1582,7 @@ mo::join() {
# $1 - Variable for output # $1 - Variable for output
# $2 - Content to pass # $2 - Content to pass
# $3 - Function to call # $3 - Function to call
# $4-$* - Additional arguments as list of type, value/name # $4-@ - Additional arguments as list of type, value/name
# #
# Returns nothing. # Returns nothing.
mo::evaluateFunction() { mo::evaluateFunction() {
@ -1692,8 +1632,7 @@ mo::evaluateFunction() {
# it on a line. There must be a new line before (see the trick in mo::parse) # it on a line. There must be a new line before (see the trick in mo::parse)
# and there must be a newline after or the end of a string # and there must be a newline after or the end of a string
# #
# $1 - Standalone content that was processed in this loop # $1 - Content after the tag
# $2 - Content after the tag
# #
# Returns 0 if this is a standalone tag, 1 otherwise. # Returns 0 if this is a standalone tag, 1 otherwise.
mo::standaloneCheck() { mo::standaloneCheck() {
@ -1704,7 +1643,11 @@ mo::standaloneCheck() {
moT=$'\t' moT=$'\t'
# Check the content before # Check the content before
moContent=${1//"$moR"/"$moN"} # shellcheck disable=SC2031
moContent=${MO_STANDALONE_CONTENT//"$moR"/"$moN"}
# By default, signal to the next check that this one failed
MO_STANDALONE_CONTENT=""
if [[ "$moContent" != *"$moN"* ]]; then if [[ "$moContent" != *"$moN"* ]]; then
mo::debug "Not a standalone tag - no newline before" mo::debug "Not a standalone tag - no newline before"
@ -1723,7 +1666,7 @@ mo::standaloneCheck() {
fi fi
# Check the content after # Check the content after
moContent=${2//"$moR"/"$moN"} moContent=${1//"$moR"/"$moN"}
moContent=${moContent%%"$moN"*} moContent=${moContent%%"$moN"*}
moContent=${moContent//"$moT"/} moContent=${moContent//"$moT"/}
moContent=${moContent// /} moContent=${moContent// /}
@ -1734,6 +1677,9 @@ mo::standaloneCheck() {
return 1 return 1
fi fi
# Signal to the next check that this tag removed content
MO_STANDALONE_CONTENT=$'\n'
return 0 return 0
} }

6
tests/help
View File

@ -53,6 +53,7 @@ Mo uses the following environment variables:
MO_ALLOW_FUNCTION_ARGUMENTS - When set to a non-empty value, this allows MO_ALLOW_FUNCTION_ARGUMENTS - When set to a non-empty value, this allows
functions referenced in templates to receive additional options and functions referenced in templates to receive additional options and
arguments. arguments.
MO_CLOSE_DELIMITER - The string used when closing a tag. Defaults to "}}".
MO_DEBUG - When set to a non-empty value, additional debug information is MO_DEBUG - When set to a non-empty value, additional debug information is
written to stderr. written to stderr.
MO_FUNCTION_ARGS - Arguments passed to the function. MO_FUNCTION_ARGS - Arguments passed to the function.
@ -64,8 +65,13 @@ MO_FAIL_ON_UNSET - When set to a non-empty value, expansion of an unset env
variable will be aborted with an error. variable will be aborted with an error.
MO_FALSE_IS_EMPTY - When set to a non-empty value, the string "false" will MO_FALSE_IS_EMPTY - When set to a non-empty value, the string "false" will
be treated as an empty value for the purposes of conditionals. be treated as an empty value for the purposes of conditionals.
MO_OPEN_DELIMITER - The string used when opening a tag. Defaults to "{{".
MO_ORIGINAL_COMMAND - Used to find the `mo` program in order to generate a MO_ORIGINAL_COMMAND - Used to find the `mo` program in order to generate a
help message. help message.
MO_STANDALONE_CONTENT - The content that preceeded the current tag. When a
standalone tag is encountered, this is checked to see if it only
contains whitespace. If this and the whitespace condition after a tag is
met, then this will be reset to $'\n'.
Mo is under a MIT style licence with an additional non-advertising clause. Mo is under a MIT style licence with an additional non-advertising clause.
See LICENSE.md for the full text. See LICENSE.md for the full text.

4
tests/standalone-indentation
View File

@ -4,14 +4,14 @@ cd "${0%/*}" || exit 1
export content=$'<\n->' export content=$'<\n->'
template() { template() {
cat <<EOF cat <<'EOF'
\ \
{{>fixtures/standalone-indentation.partial}} {{>fixtures/standalone-indentation.partial}}
/ /
EOF EOF
} }
expected() { expected() {
cat <<EOF cat <<'EOF'
\ \
| |
< <