1 | // |
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2 | // Path_VMS.cpp |
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3 | // |
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4 | // $Id: //poco/1.3/Foundation/src/Path_VMS.cpp#1 $ |
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5 | // |
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6 | // Library: Foundation |
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7 | // Package: Filesystem |
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8 | // Module: Path |
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9 | // |
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10 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
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11 | // and Contributors. |
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12 | // |
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13 | // Permission is hereby granted, free of charge, to any person or organization |
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14 | // obtaining a copy of the software and accompanying documentation covered by |
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15 | // this license (the "Software") to use, reproduce, display, distribute, |
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16 | // execute, and transmit the Software, and to prepare derivative works of the |
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17 | // Software, and to permit third-parties to whom the Software is furnished to |
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18 | // do so, all subject to the following: |
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19 | // |
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20 | // The copyright notices in the Software and this entire statement, including |
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21 | // the above license grant, this restriction and the following disclaimer, |
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22 | // must be included in all copies of the Software, in whole or in part, and |
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23 | // all derivative works of the Software, unless such copies or derivative |
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24 | // works are solely in the form of machine-executable object code generated by |
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25 | // a source language processor. |
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26 | // |
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27 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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28 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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29 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
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30 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
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31 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
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32 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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33 | // DEALINGS IN THE SOFTWARE. |
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34 | // |
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35 | |
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36 | |
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37 | #include <Poco/Path_VMS.h> |
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38 | #include <Poco/Environment_VMS.h> |
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39 | #include <unistd.h> |
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40 | #include <descrip.h> |
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41 | #include <dvsdef.h> |
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42 | #include <dcdef.h> |
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43 | #include <iledef.h> |
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44 | #include <gen64def.h> |
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45 | #include <starlet.h> |
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46 | |
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47 | |
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48 | namespace Poco { |
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49 | |
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50 | |
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51 | std::string PathImpl::currentImpl() |
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52 | { |
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53 | std::string path; |
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54 | char cwd[PATH_MAX]; |
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55 | if (getcwd(cwd, sizeof(cwd))) |
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56 | path = cwd; |
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57 | else |
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58 | throw SystemException("cannot get current directory"); |
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59 | return path; |
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60 | } |
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61 | |
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62 | |
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63 | std::string PathImpl::homeImpl() |
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64 | { |
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65 | return EnvironmentImpl::trnlnm("SYS$LOGIN"); |
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66 | } |
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67 | |
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68 | |
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69 | std::string PathImpl::tempImpl() |
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70 | { |
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71 | std::string result = EnvironmentImpl::trnlnm("SYS$SCRATCH"); |
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72 | if (result.empty()) |
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73 | return homeImpl(); |
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74 | else |
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75 | return result; |
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76 | } |
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77 | |
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78 | |
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79 | std::string PathImpl::nullImpl() |
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80 | { |
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81 | return "NLA0:"; |
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82 | } |
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83 | |
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84 | |
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85 | std::string PathImpl::expandImpl(const std::string& path) |
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86 | { |
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87 | std::string result = path; |
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88 | std::string::const_iterator it = result.begin(); |
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89 | std::string::const_iterator end = result.end(); |
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90 | int n = 0; |
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91 | while (it != end && n < 10) |
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92 | { |
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93 | std::string logical; |
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94 | while (it != end && *it != ':') logical += *it++; |
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95 | if (it != end) |
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96 | { |
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97 | ++it; |
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98 | if (it != end && *it == ':') return result; |
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99 | std::string val = EnvironmentImpl::trnlnm(logical); |
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100 | if (val.empty()) |
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101 | return result; |
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102 | else |
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103 | result = val + std::string(it, end); |
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104 | it = result.begin(); |
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105 | end = result.end(); |
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106 | ++n; |
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107 | } |
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108 | } |
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109 | return result; |
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110 | } |
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111 | |
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112 | |
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113 | void PathImpl::listRootsImpl(std::vector<std::string>& roots) |
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114 | { |
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115 | char device[64]; |
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116 | $DESCRIPTOR(deviceDsc, device); |
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117 | int clss = DC$_DISK; |
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118 | ILE3 items[2]; |
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119 | items[0].ile3$w_code = DVS$_DEVCLASS; |
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120 | items[0].ile3$w_length = sizeof(clss); |
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121 | items[0].ile3$ps_bufaddr = &clss; |
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122 | items[0].ile3$ps_retlen_addr = 0; |
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123 | items[1].ile3$w_code = 0; |
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124 | items[1].ile3$w_length = 0; |
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125 | int stat; |
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126 | GENERIC_64 context; |
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127 | context.gen64$q_quadword = 0; |
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128 | do |
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129 | { |
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130 | unsigned short length; |
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131 | stat = sys$device_scan(&deviceDsc, &length, 0, &items, &context); |
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132 | if (stat == SS$_NORMAL) |
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133 | roots.push_back(std::string(device, length)); |
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134 | } |
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135 | while (stat == SS$_NORMAL); |
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136 | } |
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137 | |
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138 | |
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139 | } // namespace Poco |
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