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1 /** |
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2 * Relational pipes |
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3 * Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info) |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, version 3 of the License. |
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8 * |
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9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU General Public License |
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15 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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16 */ |
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17 #pragma once |
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18 |
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19 #include <vector> |
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20 |
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21 #include <relpipe/writer/typedefs.h> |
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22 #include <relpipe/cli/CLI.h> |
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23 #include <relpipe/cli/RelpipeCLIException.h> |
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24 |
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25 #include "Configuration.h" |
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26 |
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27 namespace relpipe { |
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28 namespace in { |
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29 namespace xmltable { |
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30 |
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31 class CLIParser { |
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32 private: |
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33 |
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34 string_t readNext(std::vector<string_t> arguments, int& i) { |
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35 if (i < arguments.size()) return arguments[i++]; |
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36 else throw relpipe::cli::RelpipeCLIException(L"Missing CLI argument" + (i > 0 ? (L" after " + arguments[i - 1]) : L""), relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); |
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37 } |
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38 |
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39 /** |
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40 * TODO: use a common method |
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41 */ |
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42 bool parseBoolean(const string_t& value) { |
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43 if (value == L"true") return true; |
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44 else if (value == L"false") return false; |
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45 else throw relpipe::cli::RelpipeCLIException(L"Unable to parse boolean value: " + value + L" (expecting true or false)", relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); |
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46 } |
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47 |
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48 void addRelation(Configuration& c, RelationConfiguration& currentRelation) { |
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49 if (currentRelation.relation.size()) { |
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50 c.relationConfigurations.push_back(currentRelation); |
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51 currentRelation = RelationConfiguration(); |
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52 } |
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53 } |
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54 |
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55 relpipe::writer::TypeId parseTypeId(const string_t& value) { |
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56 using t = relpipe::writer::TypeId; |
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57 if (value == L"string") return t::STRING; |
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58 else if (value == L"integer") return t::INTEGER; |
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59 else if (value == L"boolean") return t::BOOLEAN; |
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60 else throw relpipe::cli::RelpipeCLIException(L"Unable to parse TypeId: " + value, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); |
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61 } |
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62 |
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63 public: |
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64 |
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65 static const string_t OPTION_NAMESPACE; |
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66 static const string_t OPTION_PARSER_OPTION; |
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67 static const string_t OPTION_RELATION; |
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68 static const string_t OPTION_NAME_IS_XPATH; |
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69 static const string_t OPTION_RECORDS; |
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70 static const string_t OPTION_ATTRIBUTE; |
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71 static const string_t OPTION_XINCLUDE; |
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72 static const string_t OPTION_MODE; |
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73 static const string_t OPTION_RAW_XML_NODELIST_WRAPPER; |
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74 static const string_t OPTION_RAW_XML_ATTRIBUTE_WRAPPER; |
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75 |
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76 Configuration parse(const std::vector<string_t>& arguments) { |
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77 Configuration c; |
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78 RelationConfiguration currentRelation; |
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79 |
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80 for (int i = 0; i < arguments.size();) { |
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81 string_t option = readNext(arguments, i); |
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82 |
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83 if (option == OPTION_NAMESPACE) { |
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84 c.namespaceMappings.push_back(readNext(arguments, i)); |
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85 c.namespaceMappings.push_back(readNext(arguments, i)); |
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86 } else if (option == OPTION_PARSER_OPTION) { |
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87 c.parserOptions.push_back({readNext(arguments, i), readNext(arguments, i)}); |
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88 } else if (option == OPTION_XINCLUDE) { |
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89 c.xinclude = parseBoolean(readNext(arguments, i)); |
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90 } else if (option == OPTION_RELATION) { |
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91 addRelation(c, currentRelation); // previous relation |
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92 currentRelation.relation = readNext(arguments, i); |
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93 } else if (option == OPTION_NAME_IS_XPATH) { |
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94 currentRelation.nameIsXPath = true; |
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95 } else if (option == OPTION_RECORDS) { |
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96 currentRelation.xpath = readNext(arguments, i); |
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97 } else if (option == OPTION_ATTRIBUTE) { |
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98 AttributeRecipe attribute; |
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99 attribute.mode = currentRelation.mode; |
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100 attribute.rawXmlNodeListWrapper = currentRelation.rawXmlNodeListWrapper; |
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101 attribute.rawXmlAttributeWrapper = currentRelation.rawXmlAttributeWrapper; |
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102 attribute.name = readNext(arguments, i); |
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103 attribute.type = parseTypeId(readNext(arguments, i)); |
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104 attribute.xpath = readNext(arguments, i); |
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105 currentRelation.attributes.push_back(attribute); |
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106 } else if (option == OPTION_MODE) { |
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107 string_t modeName = readNext(arguments, i); |
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108 Mode mode; |
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109 if (modeName == L"string") mode = Mode::STRING; |
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110 else if (modeName == L"boolean") mode = Mode::BOOLEAN; |
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111 else if (modeName == L"raw-xml") mode = Mode::RAW_XML; |
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112 else if (modeName == L"line-number") mode = Mode::LINE_NUMBER; |
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113 else if (modeName == L"xpath") mode = Mode::XPATH; |
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114 else throw relpipe::cli::RelpipeCLIException(L"Unsupported mode: " + modeName, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); |
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115 if (currentRelation.attributes.size()) currentRelation.attributes.back().mode = mode; |
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116 else currentRelation.mode = mode; |
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117 } else if (option == OPTION_RAW_XML_NODELIST_WRAPPER) { |
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118 XmlElementSkeleton w = {readNext(arguments, i), readNext(arguments, i), readNext(arguments, i)}; |
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119 if (currentRelation.attributes.size()) currentRelation.attributes.back().rawXmlNodeListWrapper = w; |
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120 else currentRelation.rawXmlNodeListWrapper = w; |
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121 } else if (option == OPTION_RAW_XML_ATTRIBUTE_WRAPPER) { |
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122 XmlElementSkeleton w = {readNext(arguments, i), readNext(arguments, i), readNext(arguments, i)}; |
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123 if (currentRelation.attributes.size()) currentRelation.attributes.back().rawXmlAttributeWrapper = w; |
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124 else currentRelation.rawXmlAttributeWrapper = w; |
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125 } else throw relpipe::cli::RelpipeCLIException(L"Unsupported CLI option: " + option, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); |
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126 } |
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127 addRelation(c, currentRelation); // last relation |
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128 |
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129 return c; |
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130 } |
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131 |
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132 virtual ~CLIParser() { |
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133 } |
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134 }; |
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135 |
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136 const string_t CLIParser::OPTION_NAMESPACE = L"--namespace"; |
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137 const string_t CLIParser::OPTION_PARSER_OPTION = L"--parser-option"; |
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138 const string_t CLIParser::OPTION_RELATION = L"--relation"; |
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139 const string_t CLIParser::OPTION_NAME_IS_XPATH = L"--name-is-xpath"; |
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140 const string_t CLIParser::OPTION_RECORDS = L"--records"; |
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141 const string_t CLIParser::OPTION_ATTRIBUTE = L"--attribute"; |
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142 const string_t CLIParser::OPTION_XINCLUDE = L"--xinclude"; |
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143 const string_t CLIParser::OPTION_MODE = L"--mode"; |
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144 const string_t CLIParser::OPTION_RAW_XML_NODELIST_WRAPPER = L"--raw-xml-nodelist-wrapper"; |
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145 const string_t CLIParser::OPTION_RAW_XML_ATTRIBUTE_WRAPPER = L"--raw-xml-attribute-wrapper"; |
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146 |
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147 } |
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148 } |
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149 } |