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5 | 'use strict';
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6 | Object.defineProperty(exports, "__esModule", { value: true });
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7 | const vscode_languageserver_textdocument_1 = require("vscode-languageserver-textdocument");
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8 | const vscode_languageserver_types_1 = require("vscode-languageserver-types");
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9 | const comment_1 = require("./comment");
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10 | const parserDirective_1 = require("./parserDirective");
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11 | const instruction_1 = require("./instruction");
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12 | const add_1 = require("./instructions/add");
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13 | const arg_1 = require("./instructions/arg");
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14 | const cmd_1 = require("./instructions/cmd");
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15 | const copy_1 = require("./instructions/copy");
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16 | const env_1 = require("./instructions/env");
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17 | const entrypoint_1 = require("./instructions/entrypoint");
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18 | const from_1 = require("./instructions/from");
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19 | const healthcheck_1 = require("./instructions/healthcheck");
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20 | const label_1 = require("./instructions/label");
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21 | const onbuild_1 = require("./instructions/onbuild");
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22 | const run_1 = require("./instructions/run");
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23 | const shell_1 = require("./instructions/shell");
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24 | const stopsignal_1 = require("./instructions/stopsignal");
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25 | const workdir_1 = require("./instructions/workdir");
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26 | const user_1 = require("./instructions/user");
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27 | const volume_1 = require("./instructions/volume");
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28 | const dockerfile_1 = require("./dockerfile");
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29 | const main_1 = require("./main");
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30 | class Parser {
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31 | constructor() {
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32 | this.escapeChar = null;
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33 | }
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34 | static createInstruction(document, dockerfile, escapeChar, lineRange, instruction, instructionRange) {
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35 | switch (instruction.toUpperCase()) {
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36 | case "ADD":
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37 | return new add_1.Add(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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38 | case "ARG":
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39 | return new arg_1.Arg(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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40 | case "CMD":
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41 | return new cmd_1.Cmd(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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42 | case "COPY":
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43 | return new copy_1.Copy(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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44 | case "ENTRYPOINT":
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45 | return new entrypoint_1.Entrypoint(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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46 | case "ENV":
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47 | return new env_1.Env(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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48 | case "FROM":
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49 | return new from_1.From(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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50 | case "HEALTHCHECK":
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51 | return new healthcheck_1.Healthcheck(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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52 | case "LABEL":
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53 | return new label_1.Label(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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54 | case "ONBUILD":
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55 | return new onbuild_1.Onbuild(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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56 | case "RUN":
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57 | return new run_1.Run(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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58 | case "SHELL":
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59 | return new shell_1.Shell(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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60 | case "STOPSIGNAL":
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61 | return new stopsignal_1.Stopsignal(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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62 | case "WORKDIR":
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63 | return new workdir_1.Workdir(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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64 | case "USER":
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65 | return new user_1.User(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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66 | case "VOLUME":
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67 | return new volume_1.Volume(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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68 | }
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69 | return new instruction_1.Instruction(document, lineRange, dockerfile, escapeChar, instruction, instructionRange);
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70 | }
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71 | getParserDirectives(document, buffer) {
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72 |
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73 | const directives = [];
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74 | this.escapeChar = '';
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75 | directiveCheck: for (let i = 0; i < buffer.length; i++) {
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76 | switch (buffer.charAt(i)) {
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77 | case ' ':
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78 | case '\t':
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79 | break;
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80 | case '\r':
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81 | case '\n':
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82 |
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83 | break directiveCheck;
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84 | case '#':
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85 | let directiveStart = -1;
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86 | let directiveEnd = -1;
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87 | for (let j = i + 1; j < buffer.length; j++) {
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88 | let char = buffer.charAt(j);
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89 | switch (char) {
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90 | case ' ':
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91 | case '\t':
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92 | if (directiveStart !== -1 && directiveEnd === -1) {
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93 | directiveEnd = j;
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94 | }
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95 | break;
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96 | case '\r':
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97 | case '\n':
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98 | break directiveCheck;
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99 | case '=':
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100 | let valueStart = -1;
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101 | let valueEnd = -1;
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102 | if (directiveEnd === -1) {
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103 | directiveEnd = j;
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104 | }
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105 |
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106 | let lineEnd = buffer.length;
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107 | directiveValue: for (let k = j + 1; k < buffer.length; k++) {
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108 | char = buffer.charAt(k);
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109 | switch (char) {
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110 | case '\r':
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111 | case '\n':
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112 | if (valueStart !== -1 && valueEnd === -1) {
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113 | valueEnd = k;
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114 | }
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115 |
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116 | lineEnd = k;
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117 | break directiveValue;
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118 | case '\t':
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119 | case ' ':
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120 | if (valueStart !== -1 && valueEnd === -1) {
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121 | valueEnd = k;
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122 | }
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123 | continue;
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124 | default:
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125 | if (valueStart === -1) {
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126 | valueStart = k;
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127 | }
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128 | break;
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129 | }
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130 | }
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131 | if (directiveStart === -1) {
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132 |
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133 | break directiveCheck;
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134 | }
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135 | if (valueStart === -1) {
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136 |
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137 | valueStart = j + 1;
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138 | valueEnd = lineEnd;
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139 | }
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140 | else if (valueEnd === -1) {
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141 |
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142 | valueEnd = buffer.length;
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143 | }
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144 | const lineRange = vscode_languageserver_types_1.Range.create(document.positionAt(i), document.positionAt(lineEnd));
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145 | const nameRange = vscode_languageserver_types_1.Range.create(document.positionAt(directiveStart), document.positionAt(directiveEnd));
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146 | const valueRange = vscode_languageserver_types_1.Range.create(document.positionAt(valueStart), document.positionAt(valueEnd));
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147 | directives.push(new parserDirective_1.ParserDirective(document, lineRange, nameRange, valueRange));
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148 | directiveStart = -1;
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149 | if (buffer.charAt(valueEnd) === '\r') {
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150 |
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151 | i = valueEnd + 1;
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152 | }
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153 | else {
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154 | i = valueEnd;
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155 | }
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156 | continue directiveCheck;
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157 | default:
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158 | if (directiveStart === -1) {
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159 | directiveStart = j;
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160 | }
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161 | break;
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162 | }
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163 | }
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164 | break;
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165 | default:
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166 | break directiveCheck;
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167 | }
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168 | }
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169 | return directives;
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170 | }
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171 | parse(buffer) {
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172 | this.document = vscode_languageserver_textdocument_1.TextDocument.create("", "", 0, buffer);
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173 | this.buffer = buffer;
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174 | let dockerfile = new dockerfile_1.Dockerfile(this.document);
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175 | let directives = this.getParserDirectives(this.document, this.buffer);
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176 | let offset = 0;
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177 | this.escapeChar = '\\';
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178 | if (directives.length > 0) {
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179 | dockerfile.setDirectives(directives);
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180 | this.escapeChar = dockerfile.getEscapeCharacter();
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181 |
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182 | offset = this.document.offsetAt(vscode_languageserver_types_1.Position.create(directives.length, 0));
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183 | }
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184 | for (let i = offset; i < this.buffer.length; i++) {
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185 | const char = this.buffer.charAt(i);
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186 | switch (char) {
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187 | case ' ':
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188 | case '\t':
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189 | case '\r':
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190 | case '\n':
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191 | break;
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192 | case '#':
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193 | i = this.processComment(dockerfile, i);
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194 | break;
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195 | default:
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196 | i = this.processInstruction(dockerfile, char, i);
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197 | break;
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198 | }
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199 | }
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200 | dockerfile.organizeComments();
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201 | return dockerfile;
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202 | }
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203 | processInstruction(dockerfile, char, start) {
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204 | let instruction = char;
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205 | let instructionEnd = -1;
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206 | let escapedInstruction = false;
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207 | instructionCheck: for (let i = start + 1; i < this.buffer.length; i++) {
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208 | char = this.buffer.charAt(i);
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209 | switch (char) {
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210 | case this.escapeChar:
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211 | escapedInstruction = true;
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212 | char = this.buffer.charAt(i + 1);
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213 | if (char === '\r' || char === '\n') {
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214 | if (instructionEnd === -1) {
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215 | instructionEnd = i;
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216 | }
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217 | i++;
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218 | }
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219 | else if (char === ' ' || char === '\t') {
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220 | for (let j = i + 2; j < this.buffer.length; j++) {
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221 | switch (this.buffer.charAt(j)) {
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222 | case ' ':
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223 | case '\t':
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224 | break;
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225 | case '\r':
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226 | case '\n':
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227 | i = j;
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228 | continue instructionCheck;
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229 | default:
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230 |
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231 | instructionEnd = i + 1;
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232 | instruction = instruction + this.escapeChar;
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233 | i = j - 2;
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234 | continue instructionCheck;
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235 | }
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236 | }
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237 |
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238 | instructionEnd = i + 1;
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239 | instruction = instruction + this.escapeChar;
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240 | break instructionCheck;
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241 | }
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242 | else {
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243 | instructionEnd = i + 1;
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244 | instruction = instruction + this.escapeChar;
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245 |
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246 | escapedInstruction = false;
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247 | }
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248 | break;
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249 | case ' ':
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250 | case '\t':
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251 | if (escapedInstruction) {
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252 |
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253 | escapeCheck: for (let j = i + 1; j < this.buffer.length; j++) {
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254 | switch (this.buffer.charAt(j)) {
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255 | case ' ':
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256 | case '\t':
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257 | break;
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258 | case '\r':
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259 | case '\n':
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260 | i = j;
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261 | continue instructionCheck;
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262 | default:
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263 | break escapeCheck;
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264 | }
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265 | }
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266 | escapedInstruction = false;
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267 | }
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268 | if (instructionEnd === -1) {
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269 | instructionEnd = i;
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270 | }
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271 | i = this.processArguments(dockerfile, instruction, instructionEnd, start, i);
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272 | dockerfile.addInstruction(this.createInstruction(dockerfile, instruction, start, instructionEnd, i));
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273 | return i;
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274 | case '\r':
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275 | case '\n':
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276 | if (escapedInstruction) {
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277 | continue;
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278 | }
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279 | if (instructionEnd === -1) {
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280 | instructionEnd = i;
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281 | }
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282 | dockerfile.addInstruction(this.createInstruction(dockerfile, instruction, start, i, i));
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283 | return i;
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284 | case '#':
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285 | if (escapedInstruction) {
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286 | continue;
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287 | }
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288 | default:
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289 | instructionEnd = i + 1;
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290 | instruction = instruction + char;
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291 | escapedInstruction = false;
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292 | break;
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293 | }
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294 | }
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295 |
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296 | if (instructionEnd === -1) {
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297 | instructionEnd = this.buffer.length;
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298 | }
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299 | dockerfile.addInstruction(this.createInstruction(dockerfile, instruction, start, instructionEnd, this.buffer.length));
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300 | return this.buffer.length;
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301 | }
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302 | parseHeredocName(value) {
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303 | value = value.substring(2);
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304 | if (value.charAt(0) === '-') {
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305 | value = value.substring(1);
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306 | }
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307 | if (value.charAt(0) === '"' || value.charAt(0) === '\'') {
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308 | return value.substring(1, value.length - 1);
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309 | }
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310 | return value;
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311 | }
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312 | processHeredocs(instruction, offset) {
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313 | let keyword = instruction.getKeyword();
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314 | if (keyword === main_1.Keyword.ONBUILD) {
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315 | instruction = instruction.getTriggerInstruction();
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316 | if (instruction === null) {
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317 | return offset;
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318 | }
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319 | keyword = instruction.getKeyword();
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320 | }
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321 | if (keyword !== main_1.Keyword.ADD && keyword !== main_1.Keyword.COPY && keyword !== main_1.Keyword.RUN) {
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322 | return offset;
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323 | }
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324 | const heredocs = [];
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325 | for (const arg of instruction.getArguments()) {
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326 | const value = arg.getValue();
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327 | if (value.startsWith("<<") && value.length > 2) {
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328 | heredocs.push(this.parseHeredocName(value));
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329 | }
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330 | }
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331 | if (heredocs.length > 0) {
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332 | for (const heredoc of heredocs) {
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333 | offset = this.parseHeredoc(heredoc, offset);
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334 | }
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335 | }
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336 | return offset;
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337 | }
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338 | processArguments(dockerfile, instruction, instructionEnd, start, offset) {
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339 | let escaped = false;
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340 | argumentsCheck: for (let i = offset + 1; i < this.buffer.length; i++) {
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341 | switch (this.buffer.charAt(i)) {
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342 | case '\r':
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343 | case '\n':
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344 | if (escaped) {
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345 | continue;
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346 | }
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347 | return this.processHeredocs(this.createInstruction(dockerfile, instruction, start, instructionEnd, i), i);
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348 | case this.escapeChar:
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349 | const next = this.buffer.charAt(i + 1);
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350 | if (next === '\n' || next === '\r') {
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351 | escaped = true;
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352 | i++;
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353 | }
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354 | else if (next === ' ' || next === '\t') {
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355 | for (let j = i + 2; j < this.buffer.length; j++) {
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356 | switch (this.buffer.charAt(j)) {
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357 | case ' ':
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358 | case '\t':
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359 | break;
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360 | case '\r':
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361 | case '\n':
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362 | escaped = true;
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363 | default:
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364 | i = j;
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365 | continue argumentsCheck;
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366 | }
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367 | }
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368 |
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369 | return this.buffer.length;
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370 | }
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371 | continue;
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372 | case '#':
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373 | if (escaped) {
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374 | i = this.processComment(dockerfile, i);
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375 | continue argumentsCheck;
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376 | }
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377 | break;
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378 | case ' ':
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379 | case '\t':
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380 | break;
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381 | default:
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382 | if (escaped) {
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383 | escaped = false;
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384 | }
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385 | break;
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386 | }
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387 | }
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388 | return this.buffer.length;
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389 | }
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390 | processComment(dockerfile, start) {
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391 | let end = this.buffer.length;
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392 | commentLoop: for (let i = start + 1; i < this.buffer.length; i++) {
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393 | switch (this.buffer.charAt(i)) {
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394 | case '\r':
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395 | case '\n':
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396 | end = i;
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397 | break commentLoop;
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398 | }
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399 | }
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400 | const range = vscode_languageserver_types_1.Range.create(this.document.positionAt(start), this.document.positionAt(end));
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401 | dockerfile.addComment(new comment_1.Comment(this.document, range));
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402 | return end;
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403 | }
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404 | parseHeredoc(heredocName, offset) {
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405 | let startWord = -1;
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406 | let lineStart = true;
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407 | for (let i = offset; i < this.buffer.length; i++) {
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408 | switch (this.buffer.charAt(i)) {
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409 | case ' ':
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410 | case '\t':
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411 | lineStart = false;
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412 | break;
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413 | case '\r':
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414 | case '\n':
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415 | if (startWord !== -1 && heredocName === this.buffer.substring(startWord, i)) {
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416 | return i;
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417 | }
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418 | startWord = -1;
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419 | lineStart = true;
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420 | break;
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421 | default:
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422 | if (lineStart) {
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423 | startWord = i;
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424 | lineStart = false;
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425 | }
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426 | break;
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427 | }
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428 | }
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429 | return this.buffer.length;
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430 | }
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431 | createInstruction(dockerfile, instruction, start, instructionEnd, end) {
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432 | const startPosition = this.document.positionAt(start);
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433 | const instructionRange = vscode_languageserver_types_1.Range.create(startPosition, this.document.positionAt(instructionEnd));
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434 | const lineRange = vscode_languageserver_types_1.Range.create(startPosition, this.document.positionAt(end));
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435 | return Parser.createInstruction(this.document, dockerfile, this.escapeChar, lineRange, instruction, instructionRange);
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436 | }
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437 | }
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438 | exports.Parser = Parser;
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