1# Copyright (C) 2010 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# 15# A nawk/gawk script used to extract the debuggable flag from an 16# application's manifest (i.e. AndroidManifest.xml). Usage: 17# 18# awk -f <this-script> AndroidManifest.xml 19# 20 21BEGIN { 22 DEBUGGABLE = ""; 23 while ( xml_event() ) { 24 # simply extract the 'android:debuggable' attribute value from 25 # the first <manifest><application> element we find. 26 if ( XML_TYPE == "BEGIN" && XML_TAG == "APPLICATION" && 27 XML_RPATH == "APPLICATION/MANIFEST/" ) { 28 DEBUGGABLE = XML_ATTR["android:debuggable"]; 29 break; 30 } 31 } 32 # ensure the value is either "true" or "false" 33 if ( DEBUGGABLE != "true" ) 34 DEBUGGABLE = "false"; 35 36 print DEBUGGABLE; 37} 38 39# 40# the following is copied directly from xml.awk - see this file for 41# usage and implementation details. 42# 43function xml_event () { 44 RS=">"; 45 XML_TAG=XML_TYPE=""; 46 split("", XML_ATTR); 47 while ( 1 ) { 48 if (_xml_closing) { # delayed direct tag closure 49 XML_TAG = _xml_closing; 50 XML_TYPE = "END"; 51 _xml_closing = ""; 52 _xml_exit(XML_TAG); 53 return 1; 54 } 55 if (getline <= 0) return 0; # read new input line 56 _xml_p = index($0, "<"); # get start marker 57 if (_xml_p == 0) return 0; # end of file (or malformed input) 58 $0 = substr($0, _xml_p) # remove anything before '<' 59 # ignore CData / Comments / Processing instructions / Declarations 60 if (_xml_in_section("<!\\[[Cc][Dd][Aa][Tt][Aa]\\[", "]]") || 61 _xml_in_section("<!--", "--") || 62 _xml_in_section("<\\?", "\\?") || 63 _xml_in_section("<!", "")) { 64 continue; 65 } 66 if (substr($0, 1, 2) == "</") { # is it a closing tag ? 67 XML_TYPE = "END"; 68 $0 = substr($0, 3); 69 } else { # nope, it's an opening one 70 XML_TYPE = "BEGIN"; 71 $0 = substr($0, 2); 72 } 73 XML_TAG = $0 74 sub("[ \r\n\t/].*$", "", XML_TAG); # extract tag name 75 XML_TAG = toupper(XML_TAG); # uppercase it 76 if ( XML_TAG !~ /^[A-Z][-+_.:0-9A-Z]*$/ ) # validate it 77 _xml_panic("Invalid tag name: " XML_TAG); 78 if (XML_TYPE == "BEGIN") { # update reverse path 79 _xml_enter(XML_TAG); 80 } else { 81 _xml_exit(XML_TAG); 82 } 83 sub("[^ \r\n\t]*[ \r\n\t]*", "", $0); # get rid of tag and spaces 84 while ($0) { # process attributes 85 if ($0 == "/") { # deal with direct closing tag, e.g. </foo> 86 _xml_closing = XML_TAG; # record delayed tag closure. 87 break 88 } 89 _xml_attrib = $0; 90 sub(/=.*$/,"",_xml_attrib); # extract attribute name 91 sub(/^[^=]*/,"",$0); # remove it from record 92 _xml_attrib = tolower(_xml_attrib); 93 if ( _xml_attrib !~ /^[a-z][-+_0-9a-z:]*$/ ) # validate it 94 _xml_panic("Invalid attribute name: " _xml_attrib); 95 if (substr($0,1,2) == "=\"") { # value is ="something" 96 _xml_value = substr($0,3); 97 sub(/".*$/,"",_xml_value); 98 sub(/^="[^"]*"/,"",$0); 99 } else if (substr($0,1,2) == "='") { # value is ='something' 100 _xml_value = substr($0,3); 101 sub(/'.*$/,"",_xml_value); 102 sub(/^='[^']*'/,"",$0); 103 } else { 104 _xml_panic("Invalid attribute value syntax for " _xml_attrib ": " $0); 105 } 106 XML_ATTR[_xml_attrib] = _xml_value; # store attribute name/value 107 sub(/^[ \t\r\n]*/,"",$0); # get rid of remaining leading spaces 108 } 109 return 1; # now return, XML_TYPE/TAG/ATTR/RPATH are set 110 } 111} 112 113function _xml_panic (msg) { 114 print msg > "/dev/stderr" 115 exit(1) 116} 117 118function _xml_in_section (sec_begin, sec_end) { 119 if (!match( $0, "^" sec_begin )) return 0; 120 while (!match($0, sec_end "$")) { 121 if (getline <= 0) _xml_panic("Unexpected EOF: " ERRNO); 122 } 123 return 1; 124} 125 126function _xml_enter (tag) { 127 XML_RPATH = tag "/" XML_RPATH; 128} 129 130function _xml_exit (tag) { 131 _xml_p = index(XML_RPATH, "/"); 132 _xml_expected = substr(XML_RPATH, 1, _xml_p-1); 133 if (_xml_expected != XML_TAG) 134 _xml_panic("Unexpected close tag: " XML_TAG ", expecting " _xml_expected); 135 XML_RPATH = substr(XML_RPATH, _xml_p+1); 136} 137