modify grep method to be xhtml valid and to highlight what is grepped

highlight is enable by default, but it's possible to disable it passing the parameter highlight with value 0 to the url git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23821 20353a03-c40f-0410-a6d1-a30d3c3de9de

modify grep method to be xhtml valid and to highlight what is grepped
highlight is enable by default, but it's possible to disable it passing the parameter highlight with value 0 to the url git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23821 20353a03-c40f-0410-a6d1-a30d3c3de9de
d8c780be · Fabien Morin · ac3103af · d8c780be
Commit d8c780be authored Sep 25, 2008 by Fabien Morin
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Showing with 25 additions and 4 deletions

product/ERP5/Extensions/Grep.py product/ERP5/Extensions/Grep.py +25 -4

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--- a/product/ERP5/Extensions/Grep.py
+++ b/product/ERP5/Extensions/Grep.py
@@ -34,22 +34,43 @@ def traverse(ob, r, result, command_line_arguments):
        result.append((ob.absolute_url(), path, "\n".join(context)))
        break

-def grep(self, pattern, A=0, B=0, r=1, i=0):
+def grep(self, pattern, A=0, B=0, r=1, i=0, highlight=1):
  if not _checkPermission(Permissions.ManagePortal, self):
    raise Unauthorized(self)
  command_line_arguments = {} # emulate grep command line args
  command_line_arguments['A'] = int(A)
  command_line_arguments['B'] = int(B)
  command_line_arguments['r'] = int(r)
+  highlight = int(highlight)
  re_flags = 0
  if int(i) :
    re_flags = re.IGNORECASE
  result = []
  traverse(self, re.compile(pattern, re_flags), result, command_line_arguments)
-  html_element_list = ['<html>', '<body>']
+
+  doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'
+  html = '<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">'
+  head = '''<head>
+  <title>Grep result</title>
+  <style type="text/css">
+    body{
+      background-color: #F9F9F9;
+      font-family: Verdana,Tahoma,Georgia,Geneva,Arial,Sans,sans-serif;
+    }
+    img{
+      border:0;
+    }
+    .highlight{
+      background-color: #8DFF6F;
+    }
+  </style>
+</head>'''
+  html_element_list = [doctype, html, head, '<body>' '<p>']
  for url, path, line in result:
    path = cgi.escape(path)
    line = cgi.escape(line)
+    if highlight:
+      line = line.replace(pattern, '<span class="highlight">%s</span>' % pattern)
    if ExternalEditor is None:
      html_element_list.append(
          '<a href="%s/manage_workspace">%s</a>: %s<br/>' %
@@ -61,11 +82,11 @@ def grep(self, pattern, A=0, B=0, r=1, i=0):
         '/'.join(path_element_list[:-1]), path_element_list[-1])
      html_element_list.append(
        '<a href="%s/manage_workspace">%s</a>&nbsp;<a href="%s">'
-        '<img border="0" src="misc_/ExternalEditor/edit_icon" '\
+        '<img src="misc_/ExternalEditor/edit_icon" '\
            'alt="externalEditor Icon"/></a> %s<br/>'
         % (url, path, external_editor_link, line.replace('\n', '<br/>')))

-  html_element_list.extend(['</body>', '</html>'])
+  html_element_list.extend(['</p>', '</body>', '</html>'])
  self.REQUEST.RESPONSE.setHeader('Content-Type', 'text/html')
  return '\n'.join(html_element_list)