annotate anagram/guisupport/readprofile.cpp @ 21:1c9dac05d040

Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
parents 13d2b8934445
children
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1997-2002 Parsifal Software. All Rights Reserved.
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4 * Copyright 2006 David A. Holland. All Rights Reserved.
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5 * See the file COPYING for license and usage terms.
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6 *
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7 * readprofile.cpp
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8 */
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9
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <limits.h>
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13
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14 #ifdef __IBMCPP__
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15 #include <iprofile.hpp>
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16 #endif
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17
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18 #include "port.h"
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19
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20 #include "agstring.h"
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21 #include "assert.h"
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22 #include "readprofile.h"
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23 #include "textfile.h"
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24
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25 //#define INCLUDE_LOGGING
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26 #include "log.h"
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27
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28
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29 ////////////////////////////////////////////////////////////
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30
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31 #ifdef AG_ON_WINDOWS
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32
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33 /*
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34 * Store and retrieve the profile from the Windows registry.
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35 */
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36
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37 #ifdef __IBMCPP__
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38
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39 class AgProfile : public IProfile {
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40 public:
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41 AgProfile();
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42 void store(const char *key, AgString value);
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43 void retrieve(const char *key, AgString &result);
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44 };
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45
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46 AgProfile::AgProfile()
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47 : IProfile("Parsifal Software")
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48 {
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49 setDefaultApplicationName("AnaGram");
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50 }
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51
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52 void AgProfile::store(const char *key, AgString value) {
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53 addOrReplaceElementWithKey(key, IString(value.pointer()));
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54 }
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55
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56 void AgProfile::retrieve(const char *key, AgString &result) {
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57 try { result = (char *) elementWithKey(key); }
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58 catch(...) {}
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59 }
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60
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61 void AgStoreProfile(const char *key, AgString value) {
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62 LOGSECTION("AgStoreProfile");
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63 LOGV(key);
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64
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65 AgProfile p;
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66 LOGS("profile object created");
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67
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68 p.store(key, value);
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69 LOGS("store completed");
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70 }
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71
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72 AgString AgFetchProfile(const char *key) {
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73 LOGSECTION("AgFetchProfile");
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74 LOGV(key);
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75
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76 AgProfile p;
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77 LOGS("profile object created");
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78
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79 AgString result;
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80 p.retrieve(key, result);
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81 LOGS("fetch completed");
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82
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83 LOGV(result);
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84 return result;
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85 }
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86
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87 #endif /* __IBMCPP__ */
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88
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89 #endif /* AG_ON_WINDOWS */
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90
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91 ////////////////////////////////////////////////////////////
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92
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93 #ifdef AG_ON_UNIX
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94
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95 /*
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96 * Store and retrieve the profile from ~/.AnaGram.
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97 */
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98
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99 static void getdotfilepath(char *buf, size_t len) {
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100 const char *home = getenv("HOME");
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101 if (!home) {
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102 // use root directory
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103 home = "";
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104 }
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105 snprintf(buf, len, "%s/.AnaGram", home);
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106 }
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107
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108 void AgStoreProfile(const char *key, AgString value) {
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109 LOGSECTION("AgStoreProfile");
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110 LOGV(key);
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111
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112 assert(!strcmp(key, "initializationData"));
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113
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114 char path[PATH_MAX];
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115 getdotfilepath(path, sizeof(path));
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116 LOGV(path);
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117
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118 FILE *f = fopen(path, "w");
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119 if (!f) {
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120 // give up
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121 LOGS("fopen failed");
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122 return;
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123 }
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124
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125 fputs(value.pointer(), f);
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126 fclose(f);
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127 LOGS("complete");
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128 }
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129
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130 AgString AgFetchProfile(const char *key) {
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131 LOGSECTION("AgFetchProfile");
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132 LOGV(key);
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133
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134 assert(!strcmp(key, "initializationData"));
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135
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136 char path[PATH_MAX];
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137 getdotfilepath(path, sizeof(path));
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138 LOGV(path);
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139
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140 text_file tf(path);
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141 AgString result = tf.text;
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142
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143 LOGV(result);
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144 return result;
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145 }
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146
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147 #endif /* AG_ON_UNIX */