diff options
Diffstat (limited to 'src/lib/template.source.sh')
| -rw-r--r-- | src/lib/template.source.sh | 64 |
1 files changed, 21 insertions, 43 deletions
diff --git a/src/lib/template.source.sh b/src/lib/template.source.sh index cd38b3d..c66e955 100644 --- a/src/lib/template.source.sh +++ b/src/lib/template.source.sh @@ -650,55 +650,33 @@ prepare_template_render_var__current_date_html() { html_escape_to out_ref "$context_value" } -# config_html resolves its value from a named config variable. The inner -# source_name dispatch (HEIGHT/MAXPREVIEWS/TITLE/etc.) stays here so config -# handling is self-contained; its behavior is identical to the old arm. +# config_html resolves its value from the config variable named by the spec's +# source_name (HEIGHT/MAXPREVIEWS/ORIGINAL_BASEPATH/SOURCE_URL/STATS_PAGE/ +# THUMBHEIGHT/TITLE), then HTML-escapes it. The value is fetched by indirect +# expansion of source_name -- ${!source_name-} -- so this handler stays fully +# data-driven and never has to be edited when a new config render-var is added +# (Open/Closed): the spec's source_name is the single source of truth. +# +# The "-" default keeps the read unset-safe under set -u and makes an unset +# config var render as empty. That is byte-identical to the previous per-name +# case for every reachable state: +# - apply_config_defaults (action.source.sh) always runs before any render, +# so HEIGHT/ORIGINAL_BASEPATH/SOURCE_URL/STATS_PAGE/TITLE are always set -- +# the old "degrade if somehow unset" fallbacks (e.g. STATS_PAGE :-no) were +# defensive and unreachable, so dropping them changes no produced output. +# - MAXPREVIEWS/THUMBHEIGHT are not defaulted (refresh-only configs omit the +# generation sizing fields); an unset value renders as empty, exactly as the +# old ${MAXPREVIEWS:-}/${THUMBHEIGHT:-} arms did. +# Indirect expansion also sidesteps the SC2153 false positive the old literal +# $TITLE arm needed a :- default to silence (a lowercase "title" local in +# another --check-sourced module made shellcheck suspect a misspelling). # shellcheck disable=SC2317 # called dynamically by prepare_template_render_vars prepare_template_render_var__config_html() { local -n out_ref="$1"; shift local -r _context_name="$1"; shift local -r source_name="$1"; shift - local context_value + local -r context_value="${!source_name-}" - case "$source_name" in - HEIGHT) - context_value="$HEIGHT" - ;; - MAXPREVIEWS) - # Refresh-only configs do not require generation - # sizing fields; render absent values as empty. - context_value="${MAXPREVIEWS:-}" - ;; - ORIGINAL_BASEPATH) - context_value="$ORIGINAL_BASEPATH" - ;; - SOURCE_URL) - # Always defaulted by apply_config_defaults (footer credit link). - context_value="${SOURCE_URL:-}" - ;; - STATS_PAGE) - # Always defaulted by apply_config_defaults; degrade to - # "no" (link hidden) if somehow unset so the header bar - # never references a stats page that was not generated. - context_value="${STATS_PAGE:-no}" - ;; - THUMBHEIGHT) - # Refresh-only configs do not require generation - # sizing fields; render absent values as empty. - context_value="${THUMBHEIGHT:-}" - ;; - TITLE) - # Always defaulted by apply_config_defaults; degrade to empty if - # somehow unset, matching the other config cases above. The :- - # default also silences SC2153 (a lowercase "title" local in another - # --check-sourced module makes shellcheck suspect a misspelling). - context_value="${TITLE:-}" - ;; - *) - config_error "unknown template render config $source_name" - return 1 - ;; - esac html_escape_to out_ref "$context_value" } |