import sys
import xml.etree.ElementTree as ET
from xml.sax.saxutils import escape, unescape

html_escape_table = {
 '"': """,
 "'": "'"
}

html_unescape_table = {v:k for k, v in html_escape_table.items()}

def html_escape(text):
 return escape(text, html_escape_table)

def html_unescape(text):
 return unescape(text, html_unescape_table)

input_list = []

single_page=True

for arg in sys.argv[1:]:
 if arg[:1] == "-":
  if arg[1:] == "multipage":
   single_page = False
  if arg[1:] == "singlepage":
   single_page = True
 else:
  input_list.append(arg)

if len(input_list) < 1:
  print("usage: makehtml.py <class_list.xml>")
  sys.exit(0)


def validate_tag(elem,tag):
  if (elem.tag != tag):
    print("Tag mismatch, expected '"+tag+"', got "+elem.tag);
    sys.exit(255)

def make_html_bottom(body):
 #make_html_top(body,True)
 ET.SubElement(body,"hr")   
 copyright = ET.SubElement(body,"span") 
 copyright.text = "Copyright 2008-2010 Codenix SRL"
 
def make_html_top(body,bottom=False):

 if (bottom):
  ET.SubElement(body,"hr")
 
 table = ET.SubElement(body,"table") 
 table.attrib["class"]="top_table"
 tr = ET.SubElement(table,"tr")
 td = ET.SubElement(tr,"td")
 td.attrib["class"]="top_table"
 
 img = ET.SubElement(td,"image")
 img.attrib["src"]="images/logo.png"
 td = ET.SubElement(tr,"td")
 td.attrib["class"]="top_table"
 a = ET.SubElement(td,"a")
 a.attrib["href"]="index.html"
 a.text="Index"
 td = ET.SubElement(tr,"td")
 td.attrib["class"]="top_table"
 a = ET.SubElement(td,"a")
 a.attrib["href"]="alphabetical.html"
 a.text="Classes"
 td = ET.SubElement(tr,"td")
 td.attrib["class"]="top_table"
 a = ET.SubElement(td,"a")
 a.attrib["href"]="category.html"
 a.text="Categories"
 td = ET.SubElement(tr,"td")
 a = ET.SubElement(td,"a")
 a.attrib["href"]="inheritance.html"
 a.text="Inheritance"
 if (not bottom):
  ET.SubElement(body,"hr")
 
 
  

def make_html_class_list(class_list,columns):
  
  div=ET.Element("div")
  div.attrib["class"]="ClassList";
  
  h1=ET.SubElement(div,"h2")
  h1.text="Alphabetical Class List"
  
  table=ET.SubElement(div,"table")
  table.attrib["class"]="class_table"
  table.attrib["width"]="100%"
  prev=0

  col_max = len(class_list) / columns + 1
  print("col max is ", col_max)
  col_count = 0
  row_count = 0
  last_initial = ""
  fit_columns=[]
  
  for n in range(0,columns):
   fit_columns+=[[]]

  indexers=[]
  last_initial=""
     
  idx=0
  for n in class_list:
   col = int(idx/col_max)
   if (col>=columns):
    col=columns-1
   fit_columns[col]+=[n]
   idx+=1
   if (n[:1]!=last_initial):
    indexers+=[n]
    last_initial=n[:1]

  row_max=0
  
  for n in range(0,columns):
   if (len(fit_columns[n])>row_max):
    row_max=len(fit_columns[n])
    

  for r in range(0,row_max):
   tr = ET.SubElement(table,"tr")
   for c in range(0,columns):   
    tdi = ET.SubElement(tr,"td") 
    tdi.attrib["align"]="right"
    td = ET.SubElement(tr,"td") 
    if (r>=len(fit_columns[c])):
     continue
    
    classname = fit_columns[c][r]
    print(classname)
    if (classname in indexers):
    
     span = ET.SubElement(tdi, "span")
     span.attrib["class"] = "class_index_letter"
     span.text = classname[:1].upper()

    if (single_page):
      link="#"+classname
    else:
      link=classname+".html"

    a=ET.SubElement(td,"a")
    a.attrib["href"]=link
    a.text=classname


  if (not single_page):
   cat_class_list=ET.Element("html")
   csscc = ET.SubElement(cat_class_list, "link")
   csscc.attrib["href"] = "main.css"
   csscc.attrib["rel"] = "stylesheet"
   csscc.attrib["type"] = "text/css"   
   bodycc = ET.SubElement(cat_class_list, "body")
   make_html_top(bodycc)
   
   cat_class_parent=bodycc
  else:
   cat_class_parent=div
   
   
   
  
  h1=ET.SubElement(cat_class_parent,"h2")
  h1.text="Class List By Category"
  
  class_cat_table={}
  class_cat_list=[]
  
  for c in class_list:
   clss = classes[c]
   if ("category" in clss.attrib):
    class_cat=clss.attrib["category"]
   else:
    class_cat="Core"
   if (class_cat.find("/")!=-1):
    class_cat=class_cat[class_cat.rfind("/")+1:]
   if (not class_cat in class_cat_list):
    class_cat_list.append(class_cat)
    class_cat_table[class_cat]=[]
   class_cat_table[class_cat].append(c)
   
  class_cat_list.sort()
  
  ct = ET.SubElement(cat_class_parent,"table")
  for cl in class_cat_list:
   l = class_cat_table[cl]
   l.sort()
   tr = ET.SubElement(ct,"tr")
   tr.attrib["class"]="category_title"
   td = ET.SubElement(ct,"td")
   td.attrib["class"]="category_title"
   
   a = ET.SubElement(td,"a")
   a.attrib["class"]="category_title"
   a.text=cl
   a.attrib["name"]="CATEGORY_"+cl

   td = ET.SubElement(ct,"td")
   td.attrib["class"]="category_title"

   for clt in l:
    tr = ET.SubElement(ct,"tr")
    td = ET.SubElement(ct,"td")
    make_type(clt,td)
    clss=classes[clt]
    bd = clss.find("brief_description")
    bdtext=""
    if (bd!=None):
     bdtext=bd.text
    td = ET.SubElement(ct,"td")
    td.text=bdtext
 
  if (not single_page):
   make_html_bottom(bodycc)  
   catet_out = ET.ElementTree(cat_class_list)
   catet_out.write("category.html")
     

  if (not single_page):
   inh_class_list=ET.Element("html")
   cssic = ET.SubElement(inh_class_list, "link")
   cssic.attrib["href"] = "main.css"
   cssic.attrib["rel"] = "stylesheet"
   cssic.attrib["type"] = "text/css"   
   bodyic = ET.SubElement(inh_class_list, "body")
   make_html_top(bodyic)
   inh_class_parent=bodyic
  else:
   inh_class_parent=div
   
   
   
  
  h1=ET.SubElement(inh_class_parent,"h2")
  h1.text="Class List By Inheritance"
  
  itemlist = ET.SubElement(inh_class_parent,"list")
  
  class_inh_table={}

  def add_class(clss):
   if (clss.attrib["name"] in class_inh_table):
    return #already added
   parent_list=None
   
   if ("inherits" in clss.attrib):
    inhc = clss.attrib["inherits"]
    if (not (inhc in class_inh_table)):
     add_class(classes[inhc])
  
    parent_list = class_inh_table[inhc].find("div")
    if (parent_list == None):
     parent_div = ET.SubElement(class_inh_table[inhc],"div")
     parent_list = ET.SubElement(parent_div,"list")
     parent_div.attrib["class"]="inh_class_list"
    else:
     parent_list = parent_list.find("list")
     
     
   else:
    parent_list=itemlist
   
   item = ET.SubElement(parent_list,"li")
#   item.attrib["class"]="inh_class_list"
   class_inh_table[clss.attrib["name"]]=item   
   make_type(clss.attrib["name"],item)
        
  
  for c in class_list:   
   add_class(classes[c])
   
  if (not single_page):
   make_html_bottom(bodyic)   
   catet_out = ET.ElementTree(inh_class_list)
   catet_out.write("inheritance.html")
     
  
    
  

  #h1=ET.SubElement(div,"h2")
  #h1.text="Class List By Inheritance"

  return div        


def make_type(p_type,p_parent):
 if (p_type=="RefPtr"):
  p_type="Resource"
  
 if (p_type in class_names):
  a=ET.SubElement(p_parent,"a")
  a.attrib["class"]="datatype_existing"
  a.text=p_type+" "
  if (single_page):
   a.attrib["href"]="#"+p_type
  else:
   a.attrib["href"]=p_type+".html"
 else:
  span=ET.SubElement(p_parent,"span")
  span.attrib["class"]="datatype"
  span.text=p_type+" "



def make_text_def(class_name,parent,text):
 text = html_escape(text)
 pos=0
 while(True):
  pos = text.find("[",pos)
  if (pos==-1):
   break

  endq_pos=text.find("]",pos+1)
  if (endq_pos==-1):
   break
    
  pre_text=text[:pos]
  post_text=text[endq_pos+1:]
  tag_text=text[pos+1:endq_pos]

  if (tag_text in class_names):
   if (single_page):
    tag_text='<a href="#'+tag_text+'">'+tag_text+'</a>'
   else:
    tag_text='<a href="'+tag_text+'.html">'+tag_text+'</a>'
  else: #command
   cmd=tag_text
   space_pos=tag_text.find(" ")
   if (cmd.find("html")==0):
    cmd=tag_text[:space_pos]
    param=tag_text[space_pos+1:]
    tag_text="<"+param+">"
   elif(cmd.find("method")==0):
    cmd=tag_text[:space_pos]
    param=tag_text[space_pos+1:]
    
    if (not single_page and param.find(".")!=-1):
     class_param,method_param=param.split(".")
     tag_text=tag_text='<a href="'+class_param+'.html#'+class_param+"_"+method_param+'">'+class_param+'.'+method_param+'()</a>'
    else:
     tag_text=tag_text='<a href="#'+class_name+"_"+param+'">'+class_name+'.'+param+'()</a>'
   elif (cmd.find("image=")==0):
    print("found image: "+cmd)
    tag_text="<img src="+cmd[6:]+"/>"
   elif (cmd.find("url=")==0):
    tag_text="<a href="+cmd[4:]+">"
   elif (cmd=="/url"):
    tag_text="</a>" 
   elif (cmd=="center"):
    tag_text="<div align=\"center\">"        
   elif (cmd=="/center"):
    tag_text="</div>"
   elif (cmd=="br"):
    tag_text="<br/>"        
   elif (cmd=="i" or cmd=="/i" or cmd=="b" or cmd=="/b" or cmd=="u" or cmd=="/u"):
    tag_text="<"+tag_text+">" #html direct mapping
   else:
    tag_text="["+tag_text+"]"
   
 
  text=pre_text+tag_text+post_text
  pos=len(pre_text)+len(tag_text)
  
 #tnode = ET.SubElement(parent,"div")
 #tnode.text=text
 text="<div class=\"description\">"+text+"</div>"
 try:
  tnode=ET.XML(text)
  parent.append(tnode)
 except:
  print("Error parsing description text: '"+text+"'")
  sys.exit(255)
 
 
 return tnode
 
 


def make_method_def(name,m,declare,event=False):

 mdata={}

 
 if (not declare): 
  div=ET.Element("tr")
  div.attrib["class"]="method"
  ret_parent=ET.SubElement(div,"td")
  ret_parent.attrib["align"]="right"
  func_parent=ET.SubElement(div,"td")
 else:
  div=ET.Element("div")
  div.attrib["class"]="method"
  ret_parent=div
  func_parent=div
   
 mdata["argidx"]=[]
 mdata["name"]=m.attrib["name"]
 qualifiers=""
 if ("qualifiers" in m.attrib):
  qualifiers=m.attrib["qualifiers"]
  
 args=list(m)
 for a in args:
  if (a.tag=="return"):
   idx=-1
  elif (a.tag=="argument"):
   idx=int(a.attrib["index"])
  else:
   continue
   
  mdata["argidx"].append(idx)
  mdata[idx]=a

 if (not event):  
  if (-1 in mdata["argidx"]):
   make_type(mdata[-1].attrib["type"],ret_parent)
   mdata["argidx"].remove(-1)
  else:
   make_type("void",ret_parent)

 span=ET.SubElement(func_parent,"span")
 if (declare):
  span.attrib["class"]="funcdecl"
  a=ET.SubElement(span,"a")
  a.attrib["name"]=name+"_"+m.attrib["name"]
  a.text=name+"::"+m.attrib["name"]
 else:
  span.attrib["class"]="identifier funcdef"
  a=ET.SubElement(span,"a")
  a.attrib["href"]="#"+name+"_"+m.attrib["name"]
  a.text=m.attrib["name"]
  
 span=ET.SubElement(func_parent,"span")
 span.attrib["class"]="symbol"
 span.text=" ("
  
 for a in mdata["argidx"]:
  arg=mdata[a]
  if (a>0):  
   span=ET.SubElement(func_parent,"span")
   span.text=", "
  else:
   span=ET.SubElement(func_parent,"span")
   span.text=" "
   
  
  make_type(arg.attrib["type"],func_parent)

  span=ET.SubElement(func_parent,"span")
  span.text=arg.attrib["name"]
  if ("default" in arg.attrib):
   span.text=span.text+"="+arg.attrib["default"]
   
  
 span=ET.SubElement(func_parent,"span")
 span.attrib["class"]="symbol"
 if (len(mdata["argidx"])):
  span.text=" )"
 else:
  span.text=")"

 if (qualifiers):
  span=ET.SubElement(func_parent,"span")
  span.attrib["class"]="qualifier"
  span.text=" "+qualifiers
     
 return div
  

def make_html_class(node):

  div=ET.Element("div")
  div.attrib["class"]="class";

  a=ET.SubElement(div,"a")
  a.attrib["name"]=node.attrib["name"]
  
  h3=ET.SubElement(a,"h3")
  h3.attrib["class"]="title class_title"
  h3.text=node.attrib["name"]

  briefd = node.find("brief_description")
  if (briefd!=None):
   div2=ET.SubElement(div,"div")
   div2.attrib["class"]="description class_description"
   div2.text=briefd.text
   
  if ("inherits" in node.attrib):
   ET.SubElement(div,"br")

   div2=ET.SubElement(div,"div")   
   div2.attrib["class"]="inheritance";

   span=ET.SubElement(div2,"span")
   span.text="Inherits: "
   
   make_type(node.attrib["inherits"],div2)
   
  if ("category" in node.attrib):
   ET.SubElement(div,"br")
   
   div3=ET.SubElement(div,"div")   
   div3.attrib["class"]="category";
    
   span=ET.SubElement(div3,"span")
   span.attrib["class"]="category"
   span.text="Category: "
    
   a = ET.SubElement(div3,"a")
   a.attrib["class"]="category_ref"
   a.text=node.attrib["category"]
   catname=a.text
   if (catname.rfind("/")!=-1):
    catname=catname[catname.rfind("/"):] 
   catname="CATEGORY_"+catname
    
   if (single_page):
    a.attrib["href"]="#"+catname
   else:
    a.attrib["href"]="category.html#"+catname
    
    
  methods = node.find("methods")  
  
  if(methods!=None and len(list(methods))>0):

   h4=ET.SubElement(div,"h4")
   h4.text="Public Methods:"

   method_table=ET.SubElement(div,"table")   
   method_table.attrib["class"]="method_list";

   for m in list(methods):
#    li = ET.SubElement(div2, "li")
    method_table.append( make_method_def(node.attrib["name"],m,False) )

  events = node.find("signals")  
  
  if(events!=None and len(list(events))>0):
   h4=ET.SubElement(div,"h4")
   h4.text="Events:"

   event_table=ET.SubElement(div,"table")   
   event_table.attrib["class"]="method_list";

   for m in list(events):
#    li = ET.SubElement(div2, "li")
    event_table.append( make_method_def(node.attrib["name"],m,False,True) )


  members = node.find("members")  
  if(members!=None and len(list(members))>0):

   h4=ET.SubElement(div,"h4")
   h4.text="Public Variables:"
   div2=ET.SubElement(div,"div")   
   div2.attrib["class"]="member_list";
   
   for c in list(members):
   
    li = ET.SubElement(div2, "li")
    div3=ET.SubElement(li,"div")
    div3.attrib["class"]="member";
    make_type(c.attrib["type"],div3)    
    span=ET.SubElement(div3,"span")
    span.attrib["class"]="identifier member_name"
    span.text=" "+c.attrib["name"]+" "
    span=ET.SubElement(div3,"span")
    span.attrib["class"]="member_description"
    span.text=c.text


  constants = node.find("constants")  
  if(constants!=None and len(list(constants))>0):

   h4=ET.SubElement(div,"h4")
   h4.text="Constants:"
   div2=ET.SubElement(div,"div")   
   div2.attrib["class"]="constant_list";
   
   for c in list(constants):
    li = ET.SubElement(div2, "li")
    div3=ET.SubElement(li,"div")
    div3.attrib["class"]="constant";
    
    span=ET.SubElement(div3,"span")
    span.attrib["class"]="identifier constant_name"
    span.text=c.attrib["name"]+" "
    if ("value" in c.attrib):
     span=ET.SubElement(div3,"span")
     span.attrib["class"]="symbol"
     span.text="= "
     span=ET.SubElement(div3,"span")
     span.attrib["class"]="constant_value"
     span.text=c.attrib["value"]+" "
    span=ET.SubElement(div3,"span")
    span.attrib["class"]="constant_description"
    span.text=c.text
     
#  ET.SubElement(div,"br")
   
  
  descr=node.find("description")
  if (descr!=None and descr.text.strip()!=""):
   h4=ET.SubElement(div,"h4")
   h4.text="Description:"
  
   make_text_def(node.attrib["name"],div,descr.text)
#   div2=ET.SubElement(div,"div")   
#   div2.attrib["class"]="description";
#   div2.text=descr.text
  
  
  
  if(methods!=None or events!=None):

   h4=ET.SubElement(div,"h4")
   h4.text="Method Documentation:"
   iter_list = []
   if (methods!=None):
    iter_list+=list(methods)
   if (events!=None):
    iter_list+=list(events)

   for m in iter_list:

    descr=m.find("description")
                 
    if (descr==None or descr.text.strip()==""):
     continue;

    div2=ET.SubElement(div,"div")
    div2.attrib["class"]="method_doc";


    div2.append( make_method_def(node.attrib["name"],m,True) )
	#anchor = ET.SubElement(div2, "a")
	#anchor.attrib["name"] =
    make_text_def(node.attrib["name"],div2,descr.text)
    #div3=ET.SubElement(div2,"div")   
    #div3.attrib["class"]="description";
    #div3.text=descr.text
     
  
  return div

class_names=[]
classes={}

for file in input_list:
 tree = ET.parse(file)
 doc=tree.getroot()

 if ("version" not in doc.attrib):
   print("Version missing from 'doc'")
   sys.exit(255)

   version=doc.attrib["version"]

 for c in list(doc):
   if (c.attrib["name"] in class_names):
    continue
   class_names.append(c.attrib["name"])
   classes[c.attrib["name"]]=c
  
html = ET.Element("html")
css = ET.SubElement(html, "link")
css.attrib["href"] = "main.css"
css.attrib["rel"] = "stylesheet"
css.attrib["type"] = "text/css"

body = ET.SubElement(html, "body")
if (not single_page):
 make_html_top(body)



class_names.sort()
  
body.append( make_html_class_list(class_names,5) )

for cn in class_names:
 c=classes[cn]
 if (single_page):
  body.append( make_html_class(c))
 else:
  html2 = ET.Element("html")
  css = ET.SubElement(html2, "link")
  css.attrib["href"] = "main.css"
  css.attrib["rel"] = "stylesheet"
  css.attrib["type"] = "text/css"
  body2 = ET.SubElement(html2, "body" )
  make_html_top(body2)  
  body2.append( make_html_class(c) );  
  make_html_bottom(body2)  
  et_out = ET.ElementTree(html2)
  et_out.write(c.attrib["name"]+".html")


et_out = ET.ElementTree(html)
if (single_page):
 et_out.write("singlepage.html")
else:
 make_html_bottom(body)
 et_out.write("alphabetical.html")