Module:CodeToText: Difference between revisions

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@@ Line 2: / Line 2: @@
 -- Extracts content snippets from a page using hook markers
 --
--- Finds content between matching hooks (e.g., 🪝, 📌, 🔖, ⭐) placed at the beginning and end of desired content.
+-- Finds content between matching emoji hooks (e.g., 🪝, 📌, 🔖, ⭐) placed at the beginning and end of desired content.
 --
 -- Example:
@@ Line 8: / Line 8: @@
 local p = {}
--- Cache for extracted snippets (persists during page render)
-local snippetCache = {}
--- Helper function to create a cache key from parameters
-local function createCacheKey(pageName, hook)
-    return pageName .. "|hook=" .. hook
-end
 function p.showSnippet(frame)
@@ Line 22: / Line 14: @@
          return "Error: 'page' parameter is required"
      end
      local hook = frame.args.hook
      if not hook then
          return "Error: 'hook' parameter is required"
-    end
-    -- Check cache first for previously extracted snippets
-    local cacheKey = createCacheKey(pageName, hook)
-    if snippetCache[cacheKey] then
-        return snippetCache[cacheKey]
      end
@@ Line 44: / Line 30: @@
      end
-    local result
+     -- Try inline hooks first
+     local inlineSnippet = content:match(hook .. "(.-)" .. hook)
-     -- First, check for hooks on the same line
+     if inlineSnippet then
-     local inlinePattern = hook .. "(.-)" .. hook
+         return inlineSnippet
-    local inlineMatch = content:match(inlinePattern)
-    if inlineMatch then
-        -- We found inline hooks: use the content between them
-        result = inlineMatch
-    else
-        -- Look for hooks on different lines
-        local lines = {}
-        local hookPositions = {}
-        -- Find hook instances and count lines
-        local lineNumber = 0
-        for line in content:gmatch("[^\r\n]+") do
-            lineNumber = lineNumber + 1
-            if line:find(hook, 1, true) then
-                table.insert(hookPositions, lineNumber)
-            end
-            -- Store all lines for later use
-            lines[lineNumber] = line
-        end
-         if #hookPositions < 2 then
-            return "Error: Need at least 2 instances of hook '" .. hook .. "' in '" .. pageName .. "'"
-        end
-        -- Extract content between first two hook instances
-        local startLine = hookPositions[1]
-        local endLine = hookPositions[2]
-        -- Always exclude the hook lines
-        local startIndex = startLine + 1
-        local endIndex = endLine - 1
-        -- Pre-allocate snippet table
-        local snippetSize = math.max(0, endIndex - startIndex + 1)
-        local snippet = {}
-        if snippetSize > 0 then
-            for i = 1, snippetSize do
-                snippet[i] = lines[startIndex + i - 1]
-            end
-            result = table.concat(snippet, "\n")
-        else
-            result = ""
-        end
      end
-     -- Cache the result before returning
+     -- Find block hooks
-     snippetCache[cacheKey] = result
+    local s, e = content:find(hook, 1, true)
-     return result
+    if not s then
+        return "Error: Need at least 2 instances of hook '" .. hook .. "' in '" .. pageName .. "'"
+    end
+    local s2, e2 = content:find(hook, e + 1, true)
+    if not s2 then
+        return "Error: Need at least 2 instances of hook '" .. hook .. "' in '" .. pageName .. "'"
+    end
+     -- Extract text between the two hooks, excluding the hook lines
+     local snippet = content:sub(e + 1, s2 - 1)
+    -- Trim leading and trailing newlines
+    if snippet:sub(1,1) == "\n" then
+        snippet = snippet:sub(2)
+    end
+    if snippet:sub(-1) == "\n" then
+        snippet = snippet:sub(1, -2)
+    end
+     return snippet
 end
 return p