21 /** |
21 /** |
22 * TODO: consider code merge with ArgumentsCommand |
22 * TODO: consider code merge with ArgumentsCommand |
23 */ |
23 */ |
24 class StdInCommand : public Command { |
24 class StdInCommand : public Command { |
25 private: |
25 private: |
26 wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings. |
26 relpipe::writer::boolean_t readStdIn; |
|
27 std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings. |
27 |
28 |
28 /** |
29 /** |
29 * Reads next value from arguments and (if no arguments left) from input |
30 * Reads next value from arguments and (if no arguments left) from input |
30 * @param input |
31 * @param input |
31 * @param arguments |
32 * @param arguments |
37 using namespace relpipe::writer; |
38 using namespace relpipe::writer; |
38 using namespace relpipe::cli; |
39 using namespace relpipe::cli; |
39 |
40 |
40 if (i < arguments.size()) { |
41 if (i < arguments.size()) { |
41 return arguments[i++]; |
42 return arguments[i++]; |
42 } else { |
43 } else if (readStdIn) { |
43 std::stringstream value; |
44 std::stringstream value; |
44 |
45 |
45 while (true) { |
46 while (true) { |
46 char ch; |
47 char ch; |
47 input.get(ch); |
48 input.get(ch); |
48 if (ch == 0 || input.eof() || input.fail()) break; |
49 if (ch == 0 || input.eof() || input.fail()) break; |
49 else value << ch; |
50 else value << ch; |
50 } |
51 } |
51 |
52 |
52 if (required && value.str().empty()) throw RelpipeCLIException(L"Missing value on STDIN.", CLI::EXIT_CODE_BAD_SYNTAX); |
53 if (required && value.str().empty()) throw RelpipeCLIException(L"Missing value on STDIN.", CLI::EXIT_CODE_BAD_SYNTAX); |
53 |
54 |
54 return convertor.from_bytes(value.str()); |
55 return convertor.from_bytes(value.str()); |
|
56 } else { |
|
57 if (required) throw RelpipeCLIException(L"Missing value on CLI.", CLI::EXIT_CODE_BAD_SYNTAX); |
|
58 return L""; |
55 } |
59 } |
56 } |
60 } |
57 |
61 |
58 |
62 |
59 public: |
63 public: |
|
64 |
|
65 StdInCommand(relpipe::writer::boolean_t readStdIn) : |
|
66 readStdIn(readStdIn) { |
|
67 } |
60 |
68 |
61 void process(std::istream& input, std::ostream& output, const relpipe::writer::string_t& command, const std::vector<relpipe::writer::string_t>& arguments) override { |
69 void process(std::istream& input, std::ostream& output, const relpipe::writer::string_t& command, const std::vector<relpipe::writer::string_t>& arguments) override { |
62 using namespace relpipe::writer; |
70 using namespace relpipe::writer; |
63 |
71 |
64 size_t i = 0; |
72 size_t i = 0; |
78 |
86 |
79 writer->startRelation(relationName, attributes, writeHeader); |
87 writer->startRelation(relationName, attributes, writeHeader); |
80 |
88 |
81 while (true) { |
89 while (true) { |
82 string_t value = readNext(input, arguments, i, false); |
90 string_t value = readNext(input, arguments, i, false); |
83 if (value.empty() && (input.eof() || input.fail())) break; |
91 if (value.empty() && (input.eof() || input.fail() || (!readStdIn && i >= arguments.size()))) break; |
84 else writer->writeAttribute(value); |
92 else writer->writeAttribute(value); |
85 // TODO: check attribute count (avoid unfinished records) |
93 // TODO: check attribute count (avoid unfinished records) |
86 } |
94 } |
87 } |
95 } |
88 }; |
96 }; |