Merge pull request #13 from fermionic/20130105-smarty3

implement smarty3

1 files changed, 198 insertions, 0 deletions

diff --git a/mods/friendica-to-smarty-tpl.py b/mods/friendica-to-smarty-tpl.py
new file mode 100755
index 000000000..b82aa912a
--- /dev/null
+++ b/mods/friendica-to-smarty-tpl.py
@@ -0,0 +1,198 @@
+#!/usr/bin/python
+#
+# Script to convert Friendica internal template files into Smarty template files
+# Copyright 2012 Zach Prezkuta
+# Licensed under GPL v3
+
+import os, re, string
+
+ldelim = '{{'
+rdelim = '}}'
+
+def fToSmarty(matches):
+	match = matches.group(0)
+	if match == '$j':
+		return match
+	match = string.replace(match, '[', '')
+	match = string.replace(match, ']', '')
+
+	ldel = ldelim
+	rdel = rdelim
+	if match.find("'") > -1:
+		match = string.replace(match, "'", '')
+		ldel = "'" + ldel
+		rdel = rdel + "'"
+	elif match.find('"') > -1:
+		match = string.replace(match, '"', '')
+		ldel = '"' + ldel
+		rdel = rdel + '"'
+
+	return ldel + match + rdel
+
+
+def fix_element(element):
+	# Much of the positioning here is important, e.g. if you do element.find('if ') before you do
+	# element.find('endif'), then you may get some multiply-replaced delimiters
+
+	if element.find('endif') > -1:
+		element = ldelim + '/if' + rdelim
+		return element
+
+	if element.find('if ') > -1:
+		element = string.replace(element, '{{ if', ldelim + 'if')
+		element = string.replace(element, '{{if', ldelim + 'if')
+		element = string.replace(element, ' }}', rdelim)
+		element = string.replace(element, '}}', rdelim)
+		return element
+
+	if element.find('else') > -1:
+		element = ldelim + 'else' + rdelim
+		return element
+
+	if element.find('endfor') > -1:
+		element = ldelim + '/foreach' + rdelim
+		return element
+
+	if element.find('for ') > -1:
+		element = string.replace(element, '{{ for ', ldelim + 'foreach ')
+		element = string.replace(element, '{{for ', ldelim + 'foreach ')
+		element = string.replace(element, ' }}', rdelim)
+		element = string.replace(element, '}}', rdelim)
+		return element
+
+	if element.find('endinc') > -1:
+		element = ''
+		return element
+
+	if element.find('inc ') > -1:
+		parts = element.split(' ')
+		element = ldelim + 'include file="'
+
+		# We need to find the file name. It'll either be in parts[1] if the element was written as {{ inc file.tpl }}
+		# or it'll be in parts[2] if the element was written as {{inc file.tpl}}
+		if parts[0].find('inc') > -1:
+			first = 0
+		else:
+			first = 1
+
+		if parts[first+1][0] == '$':
+			# This takes care of elements where the filename is a variable, e.g. {{ inc $file }}
+			element += ldelim + parts[first+1].rstrip('}') + rdelim
+		else:
+			# This takes care of elements where the filename is a path, e.g. {{ inc file.tpl }}
+			element += parts[first+1].rstrip('}') 
+
+		element += '"'
+
+		if len(parts) > first + 1 and parts[first+2] == 'with':
+			# Take care of variable substitutions, e.g. {{ inc file.tpl with $var=this_var }}
+			element += ' ' + parts[first+3].rstrip('}')[1:]
+
+		element += rdelim
+		return element
+
+
+def convert(filename, tofilename, php_tpl):
+	for line in filename:
+		newline = ''
+		st_pos = 0
+		brack_pos = line.find('{{')
+
+		if php_tpl:
+			# If php_tpl is True, this script will only convert variables in quotes, like '$variable'
+			# or "$variable". This is for .tpl files that produce PHP scripts, where you don't want
+			# all the PHP variables converted into Smarty variables
+			pattern1 = re.compile(r"""
+([\'\"]\$\[[a-zA-Z]\w*
+(\.
+(\d+|[a-zA-Z][\w-]*)
+)*
+(\|[\w\$:\.]*)*
+\][\'\"])
+""", re.VERBOSE)
+			pattern2 = re.compile(r"""
+([\'\"]\$[a-zA-Z]\w*
+(\.
+(\d+|[a-zA-Z][\w-]*)
+)*
+(\|[\w\$:\.]*)*
+[\'\"])
+""", re.VERBOSE)
+		else:
+			# Compile the pattern for bracket-style variables, e.g. $[variable.key|filter:arg1:arg2|filter2:arg1:arg2]
+			# Note that dashes are only allowed in array keys if the key doesn't start
+			# with a number, e.g. $[variable.key-id] is ok but $[variable.12-id] isn't
+			#
+			# Doesn't currently process the argument position key 'x', i.e. filter:arg1:x:arg2 doesn't get
+			# changed to arg1|filter:variable:arg2 like Smarty requires
+			#
+			# Filter arguments can be variables, e.g. $variable, but currently can't have array keys with dashes
+			# like filter:$variable.key-name
+			pattern1 = re.compile(r"""
+(\$\[[a-zA-Z]\w*
+(\.
+(\d+|[a-zA-Z][\w-]*)
+)*
+(\|[\w\$:\.]*)*
+\])
+""", re.VERBOSE)
+
+			# Compile the pattern for normal style variables, e.g. $variable.key
+			pattern2 = re.compile(r"""
+(\$[a-zA-Z]\w*
+(\.
+(\d+|[a-zA-Z][\w-]*)
+)*
+(\|[\w\$:\.]*)*
+)
+""", re.VERBOSE)
+
+		while brack_pos > -1:
+			if brack_pos > st_pos:
+				line_segment = line[st_pos:brack_pos]
+				line_segment = pattern2.sub(fToSmarty, line_segment)
+				newline += pattern1.sub(fToSmarty, line_segment)
+
+			end_brack_pos = line.find('}}', brack_pos)
+			if end_brack_pos < 0:
+				print "Error: no matching bracket found"
+
+			newline += fix_element(line[brack_pos:end_brack_pos + 2])
+			st_pos = end_brack_pos + 2
+
+			brack_pos = line.find('{{', st_pos)
+
+		line_segment = line[st_pos:]
+		line_segment = pattern2.sub(fToSmarty, line_segment)
+		newline += pattern1.sub(fToSmarty, line_segment)
+		newline = newline.replace("{#", ldelim + "*")
+		newline = newline.replace("#}", "*" + rdelim)
+		tofilename.write(newline)
+
+
+path = raw_input('Path to template folder to convert: ')
+if path[-1:] != '/':
+	path = path + '/'
+
+outpath = path + 'smarty3/'
+
+if not os.path.exists(outpath):
+	os.makedirs(outpath)
+
+files = os.listdir(path)
+for a_file in files:
+	if a_file == 'htconfig.tpl':
+		php_tpl = True
+	else:
+		php_tpl = False
+
+	filename = os.path.join(path,a_file)
+	ext = a_file.split('.')[-1]
+	if os.path.isfile(filename) and ext == 'tpl':
+		with open(filename, 'r') as f:
+			newfilename = os.path.join(outpath,a_file)
+			with open(newfilename, 'w') as outf:
+				print "Converting " + filename + " to " + newfilename
+				convert(f, outf, php_tpl)
+
+