1 | /* |
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2 | * Page.c -- Support for page retrieval. |
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3 | * |
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4 | * Copyright (c) GoAhead Software Inc., 1995-2000. All Rights Reserved. |
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5 | * |
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6 | * See the file "license.txt" for usage and redistribution license requirements |
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7 | */ |
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8 | |
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9 | /******************************** Description *********************************/ |
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10 | |
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11 | /* |
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12 | * This module provides page retrieval handling. It provides support for |
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13 | * reading web pages from file systems and has expansion for ROMed web |
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14 | * pages. |
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15 | */ |
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16 | |
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17 | /********************************* Includes ***********************************/ |
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18 | |
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19 | #include "wsIntrn.h" |
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20 | |
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21 | /*********************************** Code *************************************/ |
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22 | /* |
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23 | * Open a web page. lpath is the local filename. path is the URL path name. |
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24 | */ |
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25 | |
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26 | int websPageOpen(webs_t wp, char_t *lpath, char_t *path, int mode, int perm) |
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27 | { |
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28 | a_assert(websValid(wp)); |
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29 | |
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30 | #if WEBS_PAGE_ROM |
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31 | return websRomPageOpen(wp, path, mode, perm); |
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32 | #else |
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33 | return (wp->docfd = gopen(lpath, mode, perm)); |
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34 | #endif /* WEBS_PAGE_ROM */ |
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35 | } |
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36 | |
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37 | /******************************************************************************/ |
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38 | /* |
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39 | * Close a web page |
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40 | */ |
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41 | |
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42 | void websPageClose(webs_t wp) |
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43 | { |
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44 | a_assert(websValid(wp)); |
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45 | |
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46 | #if WEBS_PAGE_ROM |
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47 | websRomPageClose(wp->docfd); |
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48 | #else |
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49 | if (wp->docfd >= 0) { |
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50 | close(wp->docfd); |
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51 | wp->docfd = -1; |
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52 | } |
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53 | #endif |
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54 | } |
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55 | |
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56 | /******************************************************************************/ |
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57 | /* |
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58 | * Stat a web page lpath is the local filename. path is the URL path name. |
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59 | */ |
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60 | |
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61 | int websPageStat(webs_t wp, char_t *lpath, char_t *path, websStatType* sbuf) |
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62 | { |
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63 | #if WEBS_PAGE_ROM |
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64 | return websRomPageStat(path, sbuf); |
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65 | #else |
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66 | gstat_t s; |
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67 | |
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68 | if (gstat(lpath, &s) < 0) { |
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69 | return -1; |
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70 | } |
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71 | sbuf->size = s.st_size; |
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72 | sbuf->mtime = s.st_mtime; |
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73 | sbuf->isDir = s.st_mode & S_IFDIR; |
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74 | return 0; |
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75 | #endif |
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76 | } |
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77 | |
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78 | /******************************************************************************/ |
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79 | /* |
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80 | * Is this file a directory? |
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81 | */ |
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82 | |
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83 | int websPageIsDirectory(char_t *lpath) |
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84 | { |
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85 | #if WEBS_PAGE_ROM |
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86 | websStatType sbuf; |
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87 | |
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88 | if (websRomPageStat(lpath, &sbuf) >= 0) { |
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89 | return(sbuf.isDir); |
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90 | } else { |
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91 | return 0; |
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92 | } |
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93 | #else |
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94 | gstat_t sbuf; |
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95 | |
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96 | if (gstat(lpath, &sbuf) >= 0) { |
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97 | return(sbuf.st_mode & S_IFDIR); |
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98 | } else { |
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99 | return 0; |
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100 | } |
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101 | #endif |
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102 | } |
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103 | |
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104 | |
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105 | /******************************************************************************/ |
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106 | /* |
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107 | * Read a web page. Returns the number of _bytes_ read. |
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108 | * len is the size of buf, in bytes. |
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109 | */ |
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110 | |
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111 | int websPageReadData(webs_t wp, char *buf, int nBytes) |
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112 | { |
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113 | |
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114 | #if WEBS_PAGE_ROM |
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115 | a_assert(websValid(wp)); |
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116 | return websRomPageReadData(wp, buf, nBytes); |
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117 | #else |
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118 | a_assert(websValid(wp)); |
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119 | return read(wp->docfd, buf, nBytes); |
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120 | #endif |
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121 | } |
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122 | |
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123 | /******************************************************************************/ |
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124 | /* |
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125 | * Move file pointer offset bytes. |
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126 | */ |
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127 | |
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128 | void websPageSeek(webs_t wp, long offset) |
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129 | { |
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130 | a_assert(websValid(wp)); |
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131 | |
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132 | #if WEBS_PAGE_ROM |
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133 | websRomPageSeek(wp, offset, SEEK_CUR); |
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134 | #else |
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135 | lseek(wp->docfd, offset, SEEK_CUR); |
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136 | #endif |
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137 | } |
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138 | |
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139 | /******************************************************************************/ |
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140 | |
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