add paragraph and table rendering support

uml.py

@@ -21,6 +21,7 @@ class Element:
     def __str__(self):
         return str((str(self.element), str(self.data)))
     def __repl__(self): return self.__str__()
+
 class Table:
     def __init__(self, data=None):
         if data == None: self.data = []
@@ -54,6 +55,63 @@ def printchain(chain):
         if not i.data == None: print(i.data, i.element)
         else: print(i.element)
 
+def renderer(chain):
+    for i in chain:
+        rendered = False
+        if i.element == "h1":
+            rendered = True
+            print("+" + (len(i.data) + 2) * "-" + "+")
+            print("| " + i.data + " |")
+            print("+" + (len(i.data) + 2) * "-" + "+")
+        elif i.element == "h2":
+            rendered = True
+            print(" " + i.data + " ")
+            print("=" * (len(i.data) + 2))
+        elif i.element == "h3":
+            rendered = True
+            print(" " + i.data + " ")
+            print("-" * (len(i.data) + 2))
+        elif "h" in i.element:
+            raise ParsingError("you cannot have more than three levels of headers")
+        elif i.element == "p":
+            rendered = True
+            isplit = i.data.split(' ')
+            buf = ""
+
+            for i in isplit:
+                if (len(i) + len(buf) + 1) <= 63:
+                    if not len(buf) == 0: buf += " "
+                    buf += i
+                else:
+                    print(buf)
+                    buf = ""
+                    buf += i
+            print(buf)
+        elif i.element == "t":
+            buf = [0] * len(i.data.data[0])
+            for j in i.data.data:
+                c = 0
+                for k in j:
+                    if len(k) > buf[c]: buf[c] = len(k)
+                    c += 1
+            width = 0
+            for j in buf:
+                width += j
+            width += 2 * len(i.data.data[0]) + 1
+            print("+" + "-" * width + "+")
+            # don't ask
+            for j in range(len(i.data.data)):
+                c = 0
+                for k in range(len(i.data.data[j])):
+                    if len(i.data.data[j][k]) < buf[c]:
+                        i.data.data[j][k] = i.data.data[j][k].ljust(buf[c], " ")
+            cbuf = ""
+            for j in i.data.data:
+                cbuf = "| " + ' | '.join(j) + " |"
+                print(cbuf)
+            print("+" + "-" * width + "+")
+        if rendered: print()
+
 chain = []
 flags = {
     "TABLE_PREV": False,
@@ -99,6 +157,8 @@ def main():
                     flags["TABLE_PREV"] = True
                     continue
             flags["TABLE_PREV"] = False
-    printchain(chain)
+            continue
+#    printchain(chain)
+    renderer(chain)
 
 if __name__ == "__main__": main()