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very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very 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very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very long.
... ...
libtests/qutil.cc
  View file @2d5b854
... ... @@ -170,6 +170,16 @@ void same_file_test()
170 170 assert_same_file("", "qutil.out", false);
171 171 }
172 172  
  173 +void read_lines_from_file_test()
  174 +{
  175 + std::list<std::string> lines = QUtil::read_lines_from_file("other-file");
  176 + for (std::list<std::string>::iterator iter = lines.begin();
  177 + iter != lines.end(); ++iter)
  178 + {
  179 + std::cout << *iter << std::endl;
  180 + }
  181 +}
  182 +
173 183 int main(int argc, char* argv[])
174 184 {
175 185 try
... ... @@ -187,6 +197,8 @@ int main(int argc, char* argv[])
187 197 get_whoami_test();
188 198 std::cout << "----" << std::endl;
189 199 same_file_test();
  200 + std::cout << "----" << std::endl;
  201 + read_lines_from_file_test();
190 202 }
191 203 catch (std::exception& e)
192 204 {
... ...
manual/qpdf-manual.xml
  View file @2d5b854
... ... @@ -255,6 +255,14 @@ make
255 255 linkend="ref.page-selection"/>.
256 256 </para>
257 257 <para>
  258 + If <option>@filename</option> appears anywhere in the
  259 + command-line, it will be read line by line, and each line will be
  260 + treated as a command-line argument. The <option>@-</option> option
  261 + allows arguments to be read from standard input. This allows qpdf
  262 + to be invoked with an arbitrary number of arbitrarily long
  263 + arguments.
  264 + </para>
  265 + <para>
258 266 <option>outfilename</option> does not have to be seekable, even
259 267 when generating linearized files. Specifying
260 268 &ldquo;<option>--</option>&rdquo; as <option>outfilename</option>
... ...
qpdf/qpdf.cc
  View file @2d5b854
... ... @@ -69,6 +69,10 @@ Usage: qpdf [ options ] { infilename | --empty } [ outfilename ]\n\
69 69 \n\
70 70 An option summary appears below. Please see the documentation for details.\n\
71 71 \n\
  72 +If @filename appears anywhere in the command-line, each line of filename\n\
  73 +will be interpreted as an argument. No interpolation is done. Line\n\
  74 +terminators are stripped. @- can be specified to read from standard input.\n\
  75 +\n\
72 76 Note that when contradictory options are provided, whichever options are\n\
73 77 provided last take precedence.\n\
74 78 \n\
... ... @@ -953,6 +957,28 @@ static void parse_version(std::string const&amp; full_version_string,
953 957 version = v;
954 958 }
955 959  
  960 +static void read_args_from_file(char const* filename,
  961 + std::vector<PointerHolder<char> >& new_argv)
  962 +{
  963 + std::list<std::string> lines;
  964 + if (strcmp(filename, "-") == 0)
  965 + {
  966 + QTC::TC("qpdf", "qpdf read args from stdin");
  967 + lines = QUtil::read_lines_from_file(std::cin);
  968 + }
  969 + else
  970 + {
  971 + QTC::TC("qpdf", "qpdf read args from file");
  972 + lines = QUtil::read_lines_from_file(filename);
  973 + }
  974 + for (std::list<std::string>::iterator iter = lines.begin();
  975 + iter != lines.end(); ++iter)
  976 + {
  977 + new_argv.push_back(
  978 + PointerHolder<char>(QUtil::copy_string((*iter).c_str()), true));
  979 + }
  980 +}
  981 +
956 982 int main(int argc, char* argv[])
957 983 {
958 984 whoami = QUtil::getWhoami(argv[0]);
... ... @@ -1060,6 +1086,33 @@ int main(int argc, char* argv[])
1060 1086 char const* infilename = 0;
1061 1087 char const* outfilename = 0;
1062 1088  
  1089 + // Support reading arguments from files. Create a new argv. Ensure
  1090 + // that argv itself as well as all its contents are automatically
  1091 + // deleted by using PointerHolder objects to back the pointers in
  1092 + // argv.
  1093 + std::vector<PointerHolder<char> > new_argv;
  1094 + new_argv.push_back(PointerHolder<char>(QUtil::copy_string(argv[0]), true));
  1095 + for (int i = 1; i < argc; ++i)
  1096 + {
  1097 + if ((strlen(argv[i]) > 1) && (argv[i][0] == '@'))
  1098 + {
  1099 + read_args_from_file(1+argv[i], new_argv);
  1100 + }
  1101 + else
  1102 + {
  1103 + new_argv.push_back(
  1104 + PointerHolder<char>(QUtil::copy_string(argv[i]), true));
  1105 + }
  1106 + }
  1107 + PointerHolder<char*> argv_ph(new char*[1+new_argv.size()], true);
  1108 + argv = argv_ph.getPointer();
  1109 + for (size_t i = 0; i < new_argv.size(); ++i)
  1110 + {
  1111 + argv[i] = new_argv.at(i).getPointer();
  1112 + }
  1113 + argc = static_cast<int>(new_argv.size());
  1114 + argv[argc] = 0;
  1115 +
1063 1116 for (int i = 1; i < argc; ++i)
1064 1117 {
1065 1118 char const* arg = argv[i];
... ...
qpdf/qpdf.testcov
  View file @2d5b854
... ... @@ -285,3 +285,5 @@ QPDFObjectHandle non-stream in parsecontent 0
285 285 QPDFObjectHandle errors in parsecontent 0
286 286 QPDF stream with non-space 0
287 287 qpdf same file error 0
  288 +qpdf read args from stdin 0
  289 +qpdf read args from file 0
... ...
qpdf/qtest/qpdf.test
  View file @2d5b854
... ... @@ -635,14 +635,20 @@ $td-&gt;runtest(&quot;dump bad xref&quot;,
635 635 {$td->FILE => "bad-xref-entry.out",
636 636 $td->EXIT_STATUS => 0},
637 637 $td->NORMALIZE_NEWLINES);
  638 +# Test @file here too.
  639 +open(F, ">args") or die;
  640 +print F "--check\n";
  641 +print F "--show-xref\n";
  642 +close(F);
638 643 $td->runtest("dump corrected bad xref",
639   - {$td->COMMAND => "qpdf --check --show-xref bad-xref-entry.pdf"},
  644 + {$td->COMMAND => "qpdf \@args bad-xref-entry.pdf"},
640 645 {$td->FILE => "bad-xref-entry-corrected.out",
641 646 $td->EXIT_STATUS => 3},
642 647 $td->NORMALIZE_NEWLINES);
  648 +unlink "args";
643 649  
644 650 $td->runtest("don't overwrite self",
645   - {$td->COMMAND => "qpdf a.pdf a.pdf"},
  651 + {$td->COMMAND => "(echo a.pdf; echo a.pdf) | qpdf \@-"},
646 652 {$td->REGEXP => "input file and output file are the same.*",
647 653 $td->EXIT_STATUS => 2});
648 654  
... ...