From 381bff129b70471e86e99a2d6b6a7e090f13287e Mon Sep 17 00:00:00 2001
From: Jefferson Julio <snhr.jj@gmail.com>
Date: Sun, 30 May 2021 22:53:32 -0300
Subject: Better article parsing, support for article code parsing (add line
 numbers to code blocks)

---
 utils/parse-article-content.sh | 62 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100755 utils/parse-article-content.sh

(limited to 'utils/parse-article-content.sh')

diff --git a/utils/parse-article-content.sh b/utils/parse-article-content.sh
new file mode 100755
index 0000000..40593c5
--- /dev/null
+++ b/utils/parse-article-content.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# Skip file metadata, first 3 lines
+
+sanitize-html-entities () {
+  echo "$1" |
+  sed 's/</\&lt;/g' |
+  sed 's/>/\&gt;/g'
+}
+
+parse-article-content-file () {
+  local PRE_TAG=
+  local IGNORE_NEXT_PRE_TAG=
+  local INSIDE_PRE_TAG=
+  local CONTENT
+  local TLINE=
+
+  while IFS= read -r line; do
+    TLINE="$line"
+
+    if [ -z "$INSIDE_PRE_TAG" ]; then
+      echo "$line" | grep '<pre role="code"' > /dev/null
+      if [ $? -eq 0 ]; then
+        PRE_TAG=$line
+        INSIDE_PRE_TAG=1
+        TLINE="$line <!-- code-start -->"
+      fi
+    else
+      echo "$line" | grep '<pre' > /dev/null
+      if [ "$?" -eq 0 ]; then
+        IGNORE_NEXT_PRE_TAG=1
+        TLINE="<code>$(sanitize-html-entities "$line")</code>"
+      fi
+
+      echo "$line" | grep '</pre>' > /dev/null
+      if [ $? -eq 0 ]; then
+        if [ -n "$IGNORE_NEXT_PRE_TAG" ]; then
+          IGNORE_NEXT_PRE_TAG=""
+          TLINE="<code>$(sanitize-html-entities "$line")</code>"
+        else
+          INSIDE_PRE_TAG=""
+          PRE_TAG=""
+          TLINE="$line<!-- code-end -->"
+        fi
+      else
+        TLINE="<code>$(sanitize-html-entities "$line")</code>"
+      fi
+
+    fi
+
+    CONTENT="${CONTENT}
+$TLINE"
+  done <<< $(echo "$ARTICLE_FILE_CONTENT" | tail -n +3)
+
+  echo "$CONTENT"
+}
+
+if [ "$DO_NOT_PROCESS_HTML" = "true" ]; then
+  ARTICLE_CONTENT=$(echo "$ARTICLE_FILE_CONTENT" | tail -n +3)
+else
+  ARTICLE_CONTENT=$(parse-article-content-file)
+fi
-- 
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