1 files changed, 66 insertions, 0 deletions

diff --git a/web-scripts/todos.php b/web-scripts/todos.php
new file mode 100644
index 0000000..e4ab2c9
--- /dev/null
+++ b/web-scripts/todos.php
@@ -0,0 +1,66 @@
+<?php
+
+$mysql = new mysqli("localhost", "webserver", "empty", "buildmaster");
+if ($mysql->connect_error) {
+  die("Connection failed: " . $mysql->connect_error);
+}
+
+$result = $mysql -> query(
+  "SELECT DISTINCT " .
+  "`todos`.`id`," .
+  "`todos`.`file`," .
+  "`todos`.`line`," .
+  "`todos`.`description` " .
+  "FROM `todos`;"
+);
+
+if ($result -> num_rows > 0) {
+
+  while ($row = $result->fetch_assoc())
+    $knot_rows[$row["id"]] =
+      $row["file"]. " (line ".$row["line"]."):\\n".$row["description"];
+
+  unset($knots);
+  foreach ($knot_rows as $knot)
+    $knots=$knots . "\"" . $knot . "\";\n";
+
+}
+
+$result = $mysql -> query(
+  "SELECT DISTINCT " .
+  "`todo_links`.`dependent`," .
+  "`todo_links`.`depending_on` " .
+  "FROM `todo_links`;"
+);
+
+if ($result -> num_rows > 0) {
+  $count = 0;
+  while ($row = $result->fetch_assoc()) {
+    $link_rows[$count]["dependent"] =
+      $knot_rows[$row["dependent"]];
+    $link_rows[$count]["depending_on"] =
+      $knot_rows[$row["depending_on"]];
+    $count++;
+  }
+
+  unset($edges);
+  foreach ($link_rows as $link)
+    $edges=$edges . "\"" . $link["depending_on"] . "\" -> \"" . $link["dependent"] . "\";\n";
+}
+
+$knots = str_replace("\$","\\\$",$knots);
+$edges = str_replace("\$","\\\$",$edges);
+
+header ("Content-type: image/png");
+passthru(
+  "dot -Tpng -o/dev/stdout /dev/stdin <<EOF\n" .
+  "digraph dependencies {\n" .
+  "rankdir=LR;\n" .
+  "fontname=dejavu;\n" .
+  $knots .
+  $edges .
+  "}\n" .
+  "EOF\n"
+);
+
+?>