1 | //roar-config.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2013 |
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5 | * |
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6 | * This file is part of roarclients a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * RoarAudio is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include <roaraudio.h> |
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27 | |
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28 | static const struct { |
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29 | const char * name; |
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30 | const char * cflags; |
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31 | const char * libs; |
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32 | } flags[] = { |
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33 | // native/own libs: |
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34 | {"roar", ROAR_CFLAGS, ROAR_LIBS }, // NOTE: libroar *MUST* be the first entry |
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35 | {"roardsp", ROAR_CFLAGS, ROAR_LIBS_DSP }, |
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36 | {"roarmidi", ROAR_CFLAGS, ROAR_LIBS_MIDI }, |
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37 | {"roarlight", ROAR_CFLAGS, ROAR_LIBS_LIGHT }, |
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38 | {"roareio", ROAR_CFLAGS, ROAR_LIBS_EIO }, |
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39 | // comp libs: |
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40 | {"roaresd", ROAR_CFLAGS, ROAR_LIBS_C_ESD }, |
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41 | {"esd", ROAR_CFLAGS, ROAR_LIBS_C_ESD }, |
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42 | {"roarartsc", ROAR_CFLAGS, ROAR_LIBS_C_ARTSC}, |
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43 | {"artsc", ROAR_CFLAGS, ROAR_LIBS_C_ARTSC}, |
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44 | {"roarpulse", ROAR_CFLAGS, ROAR_LIBS_C_PULSE}, |
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45 | {"pulse", ROAR_CFLAGS, ROAR_LIBS_C_PULSE}, |
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46 | {"roarpulse-simple", ROAR_CFLAGS, ROAR_LIBS_C_PULSE_SIMPLE}, |
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47 | {"pulse-simple", ROAR_CFLAGS, ROAR_LIBS_C_PULSE_SIMPLE}, |
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48 | {"roarsndio", ROAR_CFLAGS, ROAR_LIBS_C_SNDIO}, |
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49 | {"sndio", ROAR_CFLAGS, ROAR_LIBS_C_SNDIO}, |
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50 | {"roaryiff", ROAR_CFLAGS, ROAR_LIBS_C_YIFF }, |
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51 | {"Y2", ROAR_CFLAGS, ROAR_LIBS_C_YIFF }, |
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52 | {NULL, NULL, NULL} |
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53 | }, * flags_ptr = NULL; |
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54 | |
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55 | struct version { |
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56 | int major, minor, revision; |
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57 | }; |
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58 | |
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59 | static struct version parse_version(const char * version) { |
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60 | struct version ret = {-1, -1, -1}; |
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61 | char * next; |
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62 | |
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63 | if ( !strcasecmp(version, "current") ) |
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64 | version = ROAR_VERSION_COMMON; |
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65 | |
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66 | ret.major = strtoll(version, &next, 0); |
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67 | ret.minor = strtoll(next+1, &next, 0); |
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68 | ret.revision = strtoll(next+1, &next, 0); |
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69 | |
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70 | return ret; |
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71 | } |
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72 | |
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73 | static int compare_versions_eq(struct version a, struct version b) { |
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74 | return a.major == b.major && a.minor == b.minor && a.revision == b.revision; |
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75 | } |
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76 | |
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77 | static int compare_versions_gt(struct version a, struct version b) { |
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78 | if ( a.major > b.major ) |
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79 | return 1; |
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80 | if ( a.minor > b.minor ) |
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81 | return 1; |
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82 | if ( a.revision > b.revision ) |
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83 | return 1; |
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84 | return 0; |
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85 | } |
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86 | |
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87 | static int compare_versions_ge(struct version a, struct version b) { |
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88 | return compare_versions_gt(a, b) || compare_versions_eq(a, b); |
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89 | } |
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90 | |
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91 | static int compare_versions_lt(struct version a, struct version b) { |
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92 | return compare_versions_gt(b, a); |
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93 | } |
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94 | |
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95 | static int compare_versions_le(struct version a, struct version b) { |
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96 | return compare_versions_lt(a, b) || compare_versions_eq(a, b); |
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97 | } |
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98 | |
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99 | static const struct { |
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100 | const char * op; |
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101 | int neg; |
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102 | int (*func)(struct version a, struct version b); |
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103 | } compare_versions_funcs[] = { |
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104 | {"eq", 0, compare_versions_eq}, |
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105 | {"ne", 1, compare_versions_eq}, |
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106 | {"gt", 0, compare_versions_gt}, |
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107 | {"ge", 0, compare_versions_ge}, |
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108 | {"lt", 0, compare_versions_lt}, |
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109 | {"le", 0, compare_versions_le} |
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110 | }; |
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111 | |
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112 | static int compare_versions(const char * a, const char * op, const char * b) { |
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113 | struct version va = parse_version(a); |
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114 | struct version vb = parse_version(b); |
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115 | size_t i; |
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116 | int ret; |
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117 | |
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118 | ROAR_DBG("compare_versions(a='%s', op='%s', b='%s'): {%i, %i, %i} <%s> {%i, %i, %i}\n", a, op, b, va.major, va.minor, va.revision, op, vb.major, vb.minor, vb.revision); |
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119 | |
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120 | for (i = 0; i < (sizeof(compare_versions_funcs)/sizeof(*compare_versions_funcs)); i++) { |
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121 | if ( !strcasecmp(compare_versions_funcs[i].op, op) ) { |
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122 | ret = compare_versions_funcs[i].func(va, vb); |
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123 | if ( compare_versions_funcs[i].neg ) |
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124 | ret = ret ? 0 : 1; |
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125 | |
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126 | return ret ? 0 : 32; |
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127 | } |
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128 | } |
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129 | |
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130 | ROAR_ERR("compare_versions(*): Operator \"%s\" not found.", op); |
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131 | return 1; |
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132 | } |
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133 | |
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134 | void print_path(const char * name, int null_as_universal, const char * product, const char * provider) { |
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135 | char * path = roar_libroar_get_path(name, null_as_universal, product, provider); |
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136 | if ( path == NULL ) { |
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137 | fprintf(stderr, "Error: Can not get path: %s: %s\n", name, roar_errorstring); |
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138 | return; |
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139 | } |
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140 | printf("%s\n", path); |
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141 | roar_mm_free(path); |
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142 | } |
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143 | |
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144 | void list_path(int null_as_universal, const char * product, const char * provider) { |
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145 | const char * names[32]; |
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146 | char * path; |
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147 | size_t offset = 0; |
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148 | ssize_t ret; |
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149 | ssize_t i; |
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150 | const char * err; |
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151 | size_t errlen; |
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152 | |
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153 | while (1) { |
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154 | ret = roar_libroar_list_path(names, sizeof(names)/sizeof(*names), offset); |
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155 | if ( ret < 1 ) |
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156 | break; |
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157 | offset += (size_t)ret; |
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158 | |
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159 | for (i = 0; i < ret; i++) { |
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160 | path = roar_libroar_get_path(names[i], null_as_universal, product, provider); |
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161 | if ( path == NULL && roar_error == ROAR_ERROR_INVAL ) |
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162 | path = roar_libroar_get_path(names[i], 0, product, NULL); |
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163 | if ( path == NULL && roar_error == ROAR_ERROR_INVAL ) |
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164 | path = roar_libroar_get_path(names[i], 0, NULL, NULL); |
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165 | if ( path == NULL ) { |
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166 | err = roar_errorstring; |
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167 | errlen = roar_mm_strlen(err) + roar_mm_strlen("<Error: >") + 1; |
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168 | path = roar_mm_malloc(errlen); |
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169 | if ( path == NULL ) |
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170 | continue; |
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171 | snprintf(path, errlen, "<Error: %s>", err); |
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172 | } |
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173 | |
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174 | printf("%-24s: %s\n", names[i], path); |
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175 | roar_mm_free(path); |
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176 | } |
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177 | } |
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178 | } |
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179 | |
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180 | void print_renderpath(const char * path) { |
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181 | char buf[1024]; |
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182 | |
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183 | if ( roar_env_render_path_r(buf, sizeof(buf), path) != 0 ) { |
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184 | fprintf(stderr, "Error: Can not render path: %s: %s\n", path, roar_errorstring); |
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185 | return; |
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186 | } |
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187 | printf("%s\n", buf); |
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188 | } |
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189 | |
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190 | void usage (void) { |
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191 | printf("Usage: roar-config --version\n" |
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192 | " roar-config --compare-versions VERSIONA OPERATOR VERSIONB\n" |
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193 | " roar-config [{--output-pc|--output-normal}] [--libs] [--cflags] [LIB]\n" |
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194 | " roar-config [--product PRODUCT] [--provider PROVIDER] [--universal] {--path PATH|--list-path}\n" |
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195 | " roar-config --render-path PATH\n"); |
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196 | |
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197 | printf("\nOptions:\n\n"); |
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198 | |
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199 | printf(" --help - Show this help\n" |
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200 | " --version - Show version of library\n" |
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201 | " --compare-versions A OP B\n" |
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202 | " - Compare version A against B with operator OP.\n" |
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203 | " --path NAME - Print path NAME\n" |
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204 | " --list-path - Print all known paths\n" |
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205 | " --product PRODUCT - Product string for --path/--list-path\n" |
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206 | " --provider PROVIDER - Provider string for --path/--list-path\n" |
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207 | " --universal - Use universal path for --path/--list-path\n" |
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208 | " --render-path PATH - Print a rendered path\n" |
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209 | " --libs - Show linker flags (-lxxx) needed to link library\n" |
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210 | " --cflags - Show compiler flags needed to link library\n" |
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211 | " --output-pc - Output PC format\n" |
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212 | " --output-normal - Output in \"classical\" format\n" |
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213 | ); |
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214 | |
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215 | } |
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216 | |
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217 | #define _strcat(buf, n) strncat(buf, n, sizeof(buf)-1-strlen(buf)) |
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218 | |
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219 | int main (int argc, char * argv[]) { |
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220 | enum { NORMAL, PC } mode = NORMAL; |
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221 | int null_as_universal = 0; |
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222 | const char * product = NULL; |
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223 | const char * provider = NULL; |
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224 | int i, h; |
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225 | int cflags = 0; |
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226 | int libs = 0; |
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227 | char buf[1024] = {0}; |
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228 | |
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229 | if ( argc == 1 ) { |
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230 | usage(); |
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231 | return 0; |
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232 | } |
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233 | |
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234 | for (i = 1; i < argc; i++) { |
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235 | if ( !strcmp(argv[i], "--version") ) { |
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236 | printf("%s\n", ROAR_VERSION_COMMON); |
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237 | } else if ( !strcmp(argv[i], "--help") || !strcmp(argv[i], "-h") ) { |
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238 | usage(); |
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239 | return 0; |
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240 | } else if ( !strcmp(argv[i], "--compare-versions") ) { |
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241 | return compare_versions(argv[i+1], argv[i+2], argv[i+3]); |
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242 | } else if ( !strcmp(argv[i], "--product") ) { |
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243 | product = argv[++i]; |
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244 | } else if ( !strcmp(argv[i], "--provider") ) { |
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245 | provider = argv[++i]; |
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246 | } else if ( !strcmp(argv[i], "--universal") ) { |
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247 | null_as_universal = 1; |
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248 | } else if ( !strcmp(argv[i], "--path") ) { |
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249 | print_path(argv[++i], null_as_universal, product, provider); |
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250 | } else if ( !strcmp(argv[i], "--list-path") ) { |
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251 | list_path(null_as_universal, product, provider); |
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252 | } else if ( !strcmp(argv[i], "--render-path") ) { |
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253 | print_renderpath(argv[++i]); |
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254 | } else if ( !strcmp(argv[i], "--libs") ) { |
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255 | libs = 1; |
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256 | } else if ( !strcmp(argv[i], "--cflags") ) { |
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257 | cflags = 1; |
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258 | } else if ( !strcmp(argv[i], "--output-normal") ) { |
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259 | mode = NORMAL; |
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260 | } else if ( !strcmp(argv[i], "--output-pc") ) { |
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261 | mode = PC; |
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262 | } else if ( flags_ptr == NULL ) { |
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263 | if ( !strncmp(argv[i], "lib", 3) ) |
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264 | argv[i] += 3; |
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265 | |
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266 | for (h = 0; flags[h].name != NULL; h++) { |
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267 | if ( !strcasecmp(argv[i], flags[h].name) ) |
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268 | flags_ptr = &(flags[h]); |
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269 | } |
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270 | |
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271 | if ( flags_ptr == NULL ) { |
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272 | fprintf(stderr, "Unknown lib: %s\n", argv[i]); |
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273 | return 2; |
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274 | } |
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275 | } else { |
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276 | fprintf(stderr, "Unknown option: %s\n", argv[i]); |
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277 | usage(); |
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278 | return 1; |
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279 | } |
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280 | } |
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281 | |
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282 | if ( flags_ptr == NULL ) |
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283 | flags_ptr = &(flags[0]); |
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284 | |
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285 | switch (mode) { |
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286 | case NORMAL: |
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287 | if ( cflags || libs ) { |
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288 | if ( cflags ) |
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289 | _strcat(buf, flags_ptr->cflags); |
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290 | |
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291 | if ( libs ) |
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292 | _strcat(buf, flags_ptr->libs); |
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293 | |
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294 | puts(buf); |
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295 | } |
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296 | break; |
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297 | case PC: |
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298 | printf("prefix="); |
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299 | print_path("prefix", 0, NULL, NULL); |
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300 | printf("exec_prefix=${prefix}\n"); |
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301 | printf("libdir="); |
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302 | print_path("prefix-lib", 0, NULL, NULL); |
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303 | printf("includedir="); |
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304 | print_path("prefix-inc", 0, NULL, NULL); |
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305 | printf("\n"); |
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306 | printf( |
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307 | "Name: lib%s\n" |
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308 | "Description: lib%s is part of RoarAudio Sound System\n" |
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309 | "Version: %s\n" |
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310 | // "Requires: libroar\n" |
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311 | "Conflicts:\n" |
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312 | "Libs: -L${libdir} %s\n" |
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313 | "Cflags: -I${includedir} %s\n", |
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314 | flags_ptr->name, |
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315 | flags_ptr->name, |
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316 | ROAR_VERSION_COMMON, |
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317 | flags_ptr->libs, |
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318 | flags_ptr->cflags |
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319 | ); |
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320 | break; |
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321 | } |
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322 | |
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323 | return 0; |
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324 | } |
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325 | |
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326 | //ll |
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