Mercurial > octave
annotate libinterp/corefcn/load-path.h @ 27396:930c0fbc003b
move qt_interpreter_events::file_in_path to load_path::contains_file_in_dir
* qt-interpreter-events.h, qt-interpreter-events.cc: Move
qt_interpreter_events::file_in_path to load_path::contains_file_in_dir
in load-path.h and load-path.cc.
* file-editor-tab.cc, main-window.cc: Use
load_path::contains_file_in_dir instead of
qt_interpreter_events::file_in_path.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 11 Sep 2019 18:01:40 -0400 |
parents | 489c74ac36da |
children | b442ec6dda5c |
rev | line source |
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5832 | 1 /* |
2 | |
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3 Copyright (C) 2006-2019 John W. Eaton |
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4 Copyright (C) 2010 VZLU Prague |
5832 | 5 |
6 This file is part of Octave. | |
7 | |
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8 Octave is free software: you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
5832 | 12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
5832 | 17 |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
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20 <https://www.gnu.org/licenses/>. |
5832 | 21 |
22 */ | |
23 | |
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24 #if ! defined (octave_load_path_h) |
5832 | 25 #define octave_load_path_h 1 |
26 | |
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27 #include "octave-config.h" |
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28 |
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29 #include <functional> |
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30 #include <iosfwd> |
5832 | 31 #include <list> |
32 #include <map> | |
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33 #include <set> |
5832 | 34 #include <string> |
35 | |
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36 #include "oct-time.h" |
5835 | 37 #include "pathsearch.h" |
5832 | 38 #include "str-vec.h" |
39 | |
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40 namespace octave |
5832 | 41 { |
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42 class |
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43 OCTINTERP_API |
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44 load_path |
5832 | 45 { |
46 public: | |
47 | |
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48 load_path (interpreter& interp); |
5832 | 49 |
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50 typedef void (*hook_fcn_ptr) (const std::string& dir); |
5832 | 51 |
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52 load_path (const load_path&) = delete; |
5832 | 53 |
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54 load_path& operator = (const load_path&) = delete; |
5832 | 55 |
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56 ~load_path (void) = default; |
5832 | 57 |
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58 void initialize (bool set_initial_path = false); |
5832 | 59 |
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60 void clear (void); |
7336 | 61 |
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62 void set (const std::string& p, bool warn = false, bool is_init = false); |
7336 | 63 |
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64 void append (const std::string& dir, bool warn = false); |
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65 |
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66 void prepend (const std::string& dir, bool warn = false); |
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67 |
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68 bool remove (const std::string& dir); |
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69 |
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70 void update (void) const; |
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71 |
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72 bool contains_canonical (const std::string& dir_name) const; |
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73 |
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74 bool contains_file_in_dir (const std::string& file_name, |
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75 const std::string& dir_name); |
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76 |
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77 std::string find_method (const std::string& class_name, |
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78 const std::string& meth, |
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79 std::string& dir_name, |
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80 const std::string& pack_name = "") |
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81 { |
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82 return get_package (pack_name).find_method (class_name, meth, dir_name); |
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83 } |
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84 |
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85 std::string find_method (const std::string& class_name, |
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86 const std::string& meth, |
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87 const std::string& pack_name = "") |
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88 { |
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89 std::string dir_name; |
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90 return find_method (class_name, meth, dir_name, pack_name); |
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91 } |
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92 |
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93 std::list<std::string> methods (const std::string& class_name, |
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94 const std::string& pack_name = "") |
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95 { |
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96 return get_package (pack_name).methods (class_name); |
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97 } |
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98 |
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99 std::list<std::string> overloads (const std::string& meth) const; |
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100 |
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101 bool find_package (const std::string& package_name) const |
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102 { |
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103 return (package_map.find (package_name) != package_map.end ()); |
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104 } |
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105 |
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106 std::list<std::string> |
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107 get_all_package_names (bool only_top_level = true) const; |
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108 |
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109 std::string find_fcn (const std::string& fcn, std::string& dir_name, |
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110 const std::string& pack_name = "") |
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111 { |
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112 return get_package (pack_name).find_fcn (fcn, dir_name); |
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113 } |
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114 |
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115 std::string find_fcn (const std::string& fcn, |
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116 const std::string& pack_name = "") |
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117 { |
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118 std::string dir_name; |
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119 return find_fcn (fcn, dir_name, pack_name); |
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120 } |
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121 |
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122 std::string find_private_fcn (const std::string& dir, |
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123 const std::string& fcn, |
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124 const std::string& pack_name = "") |
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125 { |
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126 return get_package (pack_name).find_private_fcn (dir, fcn); |
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127 } |
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128 |
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129 std::string find_fcn_file (const std::string& fcn, |
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130 const std::string& pack_name = "") |
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131 { |
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132 std::string dir_name; |
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133 return get_package (pack_name).find_fcn (fcn, dir_name, M_FILE); |
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134 } |
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135 |
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136 std::string find_oct_file (const std::string& fcn, |
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137 const std::string& pack_name = "") |
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138 { |
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139 std::string dir_name; |
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140 return get_package (pack_name).find_fcn (fcn, dir_name, M_FILE); |
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141 } |
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142 |
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143 std::string find_mex_file (const std::string& fcn, |
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144 const std::string& pack_name = "") |
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145 { |
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146 std::string dir_name; |
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147 return get_package (pack_name).find_fcn (fcn, dir_name, M_FILE); |
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148 } |
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149 |
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150 std::string find_file (const std::string& file) const; |
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151 |
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152 std::string find_dir (const std::string& dir) const; |
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153 |
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154 string_vector find_matching_dirs (const std::string& dir) const; |
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155 |
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156 std::string find_first_of (const string_vector& files) const; |
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157 |
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158 string_vector find_all_first_of (const string_vector& files) const; |
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159 |
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160 string_vector dirs (void) const; |
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161 |
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162 std::list<std::string> dir_list (void) const; |
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163 |
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164 string_vector files (const std::string& dir, bool omit_exts = false) const; |
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165 |
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166 string_vector fcn_names (void) const; |
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167 |
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168 std::string path (void) const; |
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169 |
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170 void display (std::ostream& os) const; |
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171 |
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172 std::function<void (const std::string&)> get_add_hook (void) |
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173 { |
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174 return add_hook; |
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175 } |
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176 |
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177 std::function<void (const std::string&)> get_remove_hook (void) |
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178 { |
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179 return remove_hook; |
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180 } |
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181 |
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182 void set_add_hook (const std::function<void (const std::string&)>& f) |
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183 { |
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184 add_hook = f; |
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185 } |
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186 |
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187 void set_remove_hook (const std::function<void (const std::string&)>& f) |
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188 { |
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189 remove_hook = f; |
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190 } |
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191 |
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192 void execute_pkg_add (const std::string& dir); |
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193 void execute_pkg_del (const std::string& dir); |
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194 |
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195 void set_command_line_path (const std::string& p) |
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196 { |
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197 if (m_command_line_path.empty ()) |
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198 m_command_line_path = p; |
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199 else |
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200 m_command_line_path += directory_path::path_sep_str () + p; |
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201 } |
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202 |
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203 std::string get_command_line_path (void) const |
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204 { |
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205 return m_command_line_path; |
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206 } |
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207 |
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208 std::string system_path (void) const { return sys_path; } |
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209 |
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210 private: |
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211 |
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212 static const int M_FILE = 1; |
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213 static const int OCT_FILE = 2; |
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214 static const int MEX_FILE = 4; |
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215 |
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216 class dir_info |
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217 { |
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218 public: |
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219 |
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220 // <FCN_NAME, TYPE> |
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221 typedef std::map<std::string, int> fcn_file_map_type; |
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222 |
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223 typedef fcn_file_map_type::const_iterator const_fcn_file_map_iterator; |
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224 typedef fcn_file_map_type::iterator fcn_file_map_iterator; |
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225 |
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226 struct class_info |
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227 { |
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228 class_info (void) : method_file_map (), private_file_map () { } |
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229 |
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230 class_info (const class_info& ci) |
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231 : method_file_map (ci.method_file_map), |
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232 private_file_map (ci.private_file_map) |
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233 { } |
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234 |
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235 class_info& operator = (const class_info& ci) |
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236 { |
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237 if (this != &ci) |
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238 { |
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239 method_file_map = ci.method_file_map; |
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240 private_file_map = ci.private_file_map; |
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241 } |
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242 return *this; |
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243 } |
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244 |
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245 ~class_info (void) = default; |
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246 |
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247 fcn_file_map_type method_file_map; |
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248 fcn_file_map_type private_file_map; |
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249 }; |
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250 |
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251 // <CLASS_NAME, CLASS_INFO> |
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252 typedef std::map<std::string, class_info> method_file_map_type; |
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253 |
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254 typedef method_file_map_type::const_iterator const_method_file_map_iterator; |
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255 typedef method_file_map_type::iterator method_file_map_iterator; |
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256 |
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257 // <PACKAGE_NAME, DIR_INFO> |
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258 typedef std::map<std::string, dir_info> package_dir_map_type; |
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259 |
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260 typedef package_dir_map_type::const_iterator const_package_dir_map_iterator; |
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261 typedef package_dir_map_type::iterator package_dir_map_iterator; |
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262 |
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263 // This default constructor is only provided so we can create a |
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264 // std::map of dir_info objects. You should not use this |
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265 // constructor for any other purpose. |
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266 dir_info (void) = default; |
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267 |
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268 dir_info (const std::string& d) |
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269 : dir_name (d), abs_dir_name (), is_relative (false), |
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270 dir_mtime (), dir_time_last_checked (), all_files (), fcn_files (), |
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271 private_file_map (), method_file_map (), package_dir_map () |
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272 { |
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273 initialize (); |
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274 } |
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275 |
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276 dir_info (const dir_info&) = default; |
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277 |
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278 ~dir_info (void) = default; |
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279 |
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280 dir_info& operator = (const dir_info&) = default; |
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281 |
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282 bool update (void); |
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283 |
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284 std::string dir_name; |
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285 std::string abs_dir_name; |
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286 bool is_relative; |
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287 sys::time dir_mtime; |
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288 sys::time dir_time_last_checked; |
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289 string_vector all_files; |
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290 string_vector fcn_files; |
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291 fcn_file_map_type private_file_map; |
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292 method_file_map_type method_file_map; |
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293 package_dir_map_type package_dir_map; |
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294 |
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295 bool is_package (const std::string& name) const; |
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296 |
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297 private: |
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298 |
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299 void initialize (void); |
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300 |
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301 void get_file_list (const std::string& d); |
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302 |
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303 void get_private_file_map (const std::string& d); |
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304 |
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305 void get_method_file_map (const std::string& d, |
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306 const std::string& class_name); |
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307 |
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308 void get_package_dir (const std::string& d, |
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309 const std::string& package_name); |
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310 |
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311 friend fcn_file_map_type get_fcn_files (const std::string& d); |
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312 }; |
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313 |
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314 class file_info |
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315 { |
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316 public: |
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317 |
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318 file_info (const std::string& d, int t) : dir_name (d), types (t) { } |
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319 |
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320 file_info (const file_info& fi) |
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321 : dir_name (fi.dir_name), types (fi.types) { } |
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322 |
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323 ~file_info (void) = default; |
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324 |
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325 file_info& operator = (const file_info& fi) |
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326 { |
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327 if (&fi != this) |
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328 { |
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329 dir_name = fi.dir_name; |
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330 types = fi.types; |
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331 } |
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332 |
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333 return *this; |
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334 } |
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335 |
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336 std::string dir_name; |
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337 int types; |
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338 }; |
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340 // We maintain two ways of looking at the same information. |
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341 // |
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342 // First, a list of directories and the set of "public" files and |
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343 // private files (those found in the special "private" subdirectory) |
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344 // in each directory. |
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345 // |
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346 // Second, a map from filenames (the union of all "public" files for all |
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347 // directories, but without filename extensions) to a list of |
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348 // corresponding information (directory name and file types). This |
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349 // way, we can quickly find shadowed filenames and look up all |
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350 // overloaded functions (in the "@" directories used to implement |
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351 // classes). |
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352 |
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353 typedef std::list<dir_info> dir_info_list_type; |
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354 |
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355 typedef dir_info_list_type::const_iterator const_dir_info_list_iterator; |
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356 typedef dir_info_list_type::iterator dir_info_list_iterator; |
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357 |
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358 typedef std::map<std::string, dir_info> abs_dir_cache_type; |
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359 |
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360 typedef abs_dir_cache_type::const_iterator const_abs_dir_cache_iterator; |
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361 typedef abs_dir_cache_type::iterator abs_dir_cache_iterator; |
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362 |
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363 typedef std::list<file_info> file_info_list_type; |
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364 |
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365 typedef file_info_list_type::const_iterator const_file_info_list_iterator; |
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366 typedef file_info_list_type::iterator file_info_list_iterator; |
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367 |
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368 // <FCN_NAME, FILE_INFO_LIST> |
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369 typedef std::map<std::string, file_info_list_type> fcn_map_type; |
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370 |
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371 typedef fcn_map_type::const_iterator const_fcn_map_iterator; |
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372 typedef fcn_map_type::iterator fcn_map_iterator; |
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373 |
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374 // <DIR_NAME, <FCN_NAME, TYPES>> |
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375 typedef std::map<std::string, dir_info::fcn_file_map_type> |
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376 private_fcn_map_type; |
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377 |
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378 typedef private_fcn_map_type::const_iterator const_private_fcn_map_iterator; |
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379 typedef private_fcn_map_type::iterator private_fcn_map_iterator; |
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380 |
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381 // <CLASS_NAME, <FCN_NAME, FILE_INFO_LIST>> |
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382 typedef std::map<std::string, fcn_map_type> method_map_type; |
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383 |
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384 typedef method_map_type::const_iterator const_method_map_iterator; |
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385 typedef method_map_type::iterator method_map_iterator; |
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386 |
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387 class package_info |
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388 { |
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389 public: |
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390 |
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391 package_info (const std::string& package_name = "") |
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392 : m_package_name (package_name), dir_list (), fcn_map (), |
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393 private_fcn_map (), |
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394 method_map () |
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395 { } |
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396 |
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397 package_info (const package_info& l) |
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398 : m_package_name (l.m_package_name), dir_list (l.dir_list), |
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399 private_fcn_map (l.private_fcn_map), method_map (l.method_map) |
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400 { } |
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401 |
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402 ~package_info (void) = default; |
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403 |
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404 package_info& operator = (const package_info& l) |
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405 { |
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406 if (&l != this) |
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407 { |
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408 m_package_name = l.m_package_name; |
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409 dir_list = l.dir_list; |
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410 fcn_map = l.fcn_map; |
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411 private_fcn_map = l.private_fcn_map; |
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412 method_map = l.method_map; |
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413 } |
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414 |
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415 return *this; |
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416 } |
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417 |
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418 void add (const dir_info& di, bool at_end, bool updating) |
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419 { |
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420 if (at_end) |
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421 dir_list.push_back (di.dir_name); |
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422 else |
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423 dir_list.push_front (di.dir_name); |
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424 |
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425 add_to_fcn_map (di, at_end, updating); |
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426 |
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427 add_to_private_fcn_map (di); |
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428 |
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429 add_to_method_map (di, at_end); |
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430 } |
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431 |
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432 void move (const dir_info& di, bool at_end); |
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433 |
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434 void remove (const dir_info& di); |
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435 |
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436 void clear (void) |
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437 { |
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438 dir_list.clear (); |
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439 |
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440 fcn_map.clear (); |
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441 |
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442 private_fcn_map.clear (); |
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443 |
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444 method_map.clear (); |
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445 } |
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446 |
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447 void display (std::ostream& out) const; |
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448 |
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449 std::string |
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450 find_fcn (const std::string& fcn, std::string& dir_name, |
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451 int type = M_FILE | OCT_FILE | MEX_FILE) const; |
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452 |
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453 std::string |
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454 find_private_fcn (const std::string& dir, const std::string& fcn, |
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455 int type = M_FILE | OCT_FILE | MEX_FILE) const; |
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456 |
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457 std::string |
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458 find_method (const std::string& class_name, const std::string& meth, |
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459 std::string& dir_name, |
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460 int type = M_FILE | OCT_FILE | MEX_FILE) const; |
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461 |
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462 std::list<std::string> methods (const std::string& class_name) const; |
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463 |
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464 void overloads (const std::string& meth, std::list<std::string>& l) const; |
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465 |
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466 string_vector fcn_names (void) const; |
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467 |
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468 private: |
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469 |
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470 void add_to_fcn_map (const dir_info& di, bool at_end, bool updating); |
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471 |
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472 void add_to_private_fcn_map (const dir_info& di); |
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473 |
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474 void add_to_method_map (const dir_info& di, bool at_end); |
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475 |
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476 void move_fcn_map (const std::string& dir, |
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477 const string_vector& fcn_files, bool at_end); |
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478 |
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479 void move_method_map (const std::string& dir, bool at_end); |
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480 |
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481 void remove_fcn_map (const std::string& dir, |
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482 const string_vector& fcn_files); |
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483 |
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484 void remove_private_fcn_map (const std::string& dir); |
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485 |
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486 void remove_method_map (const std::string& dir); |
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487 |
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488 bool check_file_type (std::string& fname, int type, int possible_types, |
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489 const std::string& fcn, const char *who) const; |
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490 |
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491 void print_types (std::ostream& os, int types) const; |
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492 |
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493 void print_fcn_list (std::ostream& os, |
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494 const dir_info::fcn_file_map_type& lst) const; |
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495 |
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496 std::string m_package_name; |
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497 |
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498 std::list<std::string> dir_list; |
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499 |
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500 fcn_map_type fcn_map; |
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501 |
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502 private_fcn_map_type private_fcn_map; |
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503 |
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504 method_map_type method_map; |
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505 }; |
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506 |
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507 // <PACKAGE_NAME, PACKAGE_INFO> |
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508 typedef std::map<std::string, package_info> package_map_type; |
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509 |
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510 typedef package_map_type::const_iterator const_package_map_iterator; |
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511 typedef package_map_type::iterator package_map_iterator; |
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512 |
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513 interpreter& m_interpreter; |
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514 |
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515 mutable package_map_type package_map; |
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516 |
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517 mutable package_info top_level_package; |
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518 |
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519 mutable dir_info_list_type dir_info_list; |
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520 |
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521 mutable std::set<std::string> init_dirs; |
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522 |
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523 std::string m_command_line_path; |
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524 |
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525 static std::string sys_path; |
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526 |
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527 static abs_dir_cache_type abs_dir_cache; |
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528 |
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529 std::function<void (const std::string&)> add_hook; |
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530 |
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531 std::function<void (const std::string&)> remove_hook; |
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532 |
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533 void execute_pkg_add_or_del (const std::string& dir, |
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534 const std::string& script_file); |
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535 |
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536 const_dir_info_list_iterator find_dir_info (const std::string& dir) const; |
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537 dir_info_list_iterator find_dir_info (const std::string& dir); |
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538 |
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539 bool contains (const std::string& dir) const; |
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540 |
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541 void move (dir_info_list_iterator i, bool at_end); |
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542 |
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543 void move (const dir_info& di, bool at_end, const std::string& pname = ""); |
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544 |
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545 void remove (const dir_info& di, const std::string& pname = ""); |
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546 |
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547 void add (const std::string& dir, bool at_end, bool warn); |
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548 |
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549 void add (const dir_info& di, bool at_end, const std::string& pname = "", |
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550 bool updating = false) const; |
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551 |
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552 bool is_package (const std::string& name) const; |
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553 |
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554 package_info& get_package (const std::string& name) const |
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555 { |
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556 if (! name.empty () && is_package (name)) |
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557 { |
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558 package_map_iterator l = package_map.find (name); |
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559 |
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560 if (l == package_map.end ()) |
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561 l = package_map.insert (package_map.end (), |
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562 package_map_type::value_type (name, package_info (name))); |
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563 |
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564 return l->second; |
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565 } |
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566 |
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567 return top_level_package; |
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568 } |
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569 |
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570 string_vector get_file_list (const dir_info::fcn_file_map_type& lst) const; |
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571 |
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572 friend dir_info::fcn_file_map_type get_fcn_files (const std::string& d); |
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573 }; |
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574 |
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575 extern std::string |
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576 genpath (const std::string& dir, const string_vector& skip = "private"); |
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577 } |
5832 | 578 |
579 #endif |