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authorKaren Arutyunov <karen@codesynthesis.com>2017-04-20 17:31:26 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2017-04-20 21:08:32 +0300
commit5661b404b0104c3065a40ad622bdd3c11d748a99 (patch)
treeb1e1d7aefa9fda7214fa0fcce92cf1b85f87fc76 /tests/string-parser/driver.cxx
parent972f89d5a1d0c094241eb6ce1b8f499e3fcf151b (diff)
Implement string_parser
Diffstat (limited to 'tests/string-parser/driver.cxx')
-rw-r--r--tests/string-parser/driver.cxx93
1 files changed, 93 insertions, 0 deletions
diff --git a/tests/string-parser/driver.cxx b/tests/string-parser/driver.cxx
new file mode 100644
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+++ b/tests/string-parser/driver.cxx
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+// file : tests/string-parser/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#include <ios> // ios::failbit, ios::badbit
+#include <vector>
+#include <string>
+#include <cassert>
+#include <iostream>
+
+#include <butl/utility> // operator<<(ostream,exception)
+#include <butl/string-parser>
+
+using namespace std;
+using namespace butl;
+
+// Usage: argv[0] [-l] [-u] [-p]
+//
+// Read and parse lines into strings from STDIN and print them to STDOUT.
+//
+// -l output each string on a separate line
+// -u unquote strings
+// -p output positions
+//
+int
+main (int argc, char* argv[])
+try
+{
+ bool spl (false); // Print string per line.
+ bool unquote (false);
+ bool pos (false);
+
+ for (int i (1); i != argc; ++i)
+ {
+ string o (argv[i]);
+
+ if (o == "-l")
+ spl = true;
+ else if (o == "-u")
+ unquote = true;
+ else if (o == "-p")
+ pos = true;
+ else
+ assert (false);
+ }
+
+ // Do not throw when eofbit is set (end of stream reached), and when failbit
+ // is set (getline() failed to extract any character).
+ //
+ cin.exceptions (ios::badbit);
+
+ cout.exceptions (ios::failbit | ios::badbit);
+
+ string l;
+ while (getline (cin, l))
+ {
+ vector<pair<string, size_t>> v (
+ string_parser::parse_quoted_position (l, unquote));
+
+ if (!spl)
+ {
+ for (auto b (v.cbegin ()), i (b), e (v.cend ()); i != e; ++i)
+ {
+ if (i != b)
+ cout << ' ';
+
+ if (pos)
+ cout << i->second << ":";
+
+ cout << i->first;
+ }
+
+ cout << endl;
+ }
+ else
+ {
+ for (const auto& s: v)
+ {
+ if (pos)
+ cout << s.second << ":";
+
+ cout << s.first << endl;
+ }
+ }
+ }
+
+ return 0;
+}
+catch (const invalid_string& e)
+{
+ cerr << e.position << ": " << e << endl;
+ return 1;
+}