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Improved modularization of STIL and song-length database subsystems.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 19 Dec 2004 16:53:05 +0000
parents df4cb5115322
children 608f31f6c095
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1 /*
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)
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3
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4 STIL-database handling functions
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5
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6 Written by Matti "ccr" Hamalainen <ccr@tnsp.org>
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7
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8 This program is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 2 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but 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.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program; if not, write to the Free Software
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20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 */
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22 #include "xs_stil.h"
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23 #include "xs_support.h"
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24 #include <stdio.h>
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25 #include <stdlib.h>
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26 #include <ctype.h>
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27
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28
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29 /* Database handling functions
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30 */
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31 static t_xs_stil_node *xs_stildb_node_new(gchar *pcFilename)
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32 {
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33 t_xs_stil_node *pResult;
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34
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35 /* Allocate memory for new node */
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36 pResult = (t_xs_stil_node *) g_malloc0(sizeof(t_xs_stil_node));
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37 if (!pResult) return NULL;
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38
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39 pResult->pcFilename = g_strdup(pcFilename);
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40 if (!pResult->pcFilename)
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41 {
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42 g_free(pResult);
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43 return NULL;
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44 }
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45
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46 return pResult;
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47 }
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48
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49
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50 static void xs_stildb_node_free(t_xs_stil_node *pNode)
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51 {
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52 gint i;
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53
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54 if (pNode)
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55 {
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56 /* Free subtune information */
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57 for (i = 0; i < XS_STIL_MAXENTRY; i++)
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58 {
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59 g_free(pNode->subTune[i].pName);
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60 g_free(pNode->subTune[i].pAuthor);
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61 g_free(pNode->subTune[i].pInfo);
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62 }
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63
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64 g_free(pNode->pcFilename);
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65 g_free(pNode);
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66 }
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67 }
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69
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70 /* Insert given node to db linked list
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71 */
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72 static void xs_stildb_node_insert(t_xs_stildb *db, t_xs_stil_node *pNode)
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73 {
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74 assert(db);
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75
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76 if (db->pNodes)
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77 {
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78 /* The first node's pPrev points to last node */
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79 LPREV = db->pNodes->pPrev; /* New node's prev = Previous last node */
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80 db->pNodes->pPrev->pNext = pNode; /* Previous last node's next = New node */
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81 db->pNodes->pPrev = pNode; /* New last node = New node */
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82 LNEXT = NULL; /* But next is NULL! */
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83 } else {
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84 db->pNodes = pNode; /* First node ... */
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85 LPREV = pNode; /* ... it's also last */
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86 LNEXT = NULL; /* But next is NULL! */
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87 }
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88 }
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89
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90
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91 /* Read database (additively) to given db-structure
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92 */
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93 gint xs_stildb_read(t_xs_stildb *db, gchar *dbFilename)
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94 {
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95 FILE *inFile;
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96 gchar inLine[XS_BUFSIZE + 10];
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97 guint lineNum, linePos, eolPos;
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98 t_xs_stil_node *tmpNode;
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99 gboolean isError;
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100 gint subEntry;
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101 assert(db);
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102
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103 /* Try to open the file */
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104 if ((inFile = fopen(dbFilename, "ra")) == NULL)
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105 {
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106 XSERR("Could not open STILDB '%s'\n", dbFilename);
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107 return -1;
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108 }
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109
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110 /* Read and parse the data */
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111 lineNum = 0;
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112 isError = FALSE;
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113 tmpNode = NULL;
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114 subEntry = 0;
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115
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116 while (!feof(inFile) && !isError)
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117 {
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118 fgets(inLine, XS_BUFSIZE, inFile);
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119 linePos = eolPos = 0;
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120 xs_findeol(inLine, &eolPos);
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121 inLine[eolPos] = 0;
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122 lineNum++;
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123
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124 switch (inLine[0]) {
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125 case '/':
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126 /* Check if we are already parsing entry */
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127 if (tmpNode)
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128 {
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129 XSERR("New entry ('%s') before end of current ('%s')! Possibly malformed STIL-file!\n",
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130 inLine, tmpNode->pcFilename);
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131
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132 xs_stildb_node_free(tmpNode);
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133 }
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134
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135 /* A new node */
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136 subEntry = 0;
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137 tmpNode = xs_stildb_node_new(inLine);
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138 if (!tmpNode)
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139 {
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140 /* Allocation failed */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
141 XSERR("Could not allocate new STILdb-node for '%s'!\n", inLine);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
142 isError = TRUE;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
143 }
103
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
144 break;
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
145
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
146 case '(':
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
147 /* A new sub-entry */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
148 linePos++;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
149 if (inLine[linePos] == '#')
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
150 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
151 linePos++;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
152 if (inLine[linePos])
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
153 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
154 xs_findnum(inLine, &linePos);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
155 inLine[linePos] = 0;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
156 subEntry = atol(&inLine[2]);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
157
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
158 /* Sanity check */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
159 if ((subEntry < 1) || (subEntry >= XS_STIL_MAXENTRY))
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
160 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
161 XSERR("Number of subEntry (%i) for '%s' is invalid\n", subEntry, tmpNode->pcFilename);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
162 subEntry = 0;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
163 }
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
164 }
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
165 }
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
166
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
167 break;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
168
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
169 case 0:
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
170 case '#':
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
171 case '\n':
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
172 case '\r':
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
173 /* End of entry/field */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
174 if (tmpNode)
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
175 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
176 /* Insert to database */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
177 xs_stildb_node_insert(db, tmpNode);
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
178 tmpNode = NULL;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
179 }
103
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
180 break;
101
Matti Hamalainen <ccr@tnsp.org>
parents: 99
diff changeset
181
103
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
182 default:
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
183 /* Check if we are parsing an entry */
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
184 if (!tmpNode)
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
185 {
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
186 XSERR("Entry data encountered outside of entry!\n");
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
187 break;
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
188 }
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
189
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
190 /* Some other type */
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
191 if (strncmp(inLine, " NAME:", 8) == 0)
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
192 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
193 g_free(tmpNode->subTune[subEntry].pName);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
194 tmpNode->subTune[subEntry].pName = g_strdup(&inLine[9]);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
195 } else
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
196 if (strncmp(inLine, " AUTHOR:", 8) == 0)
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
197 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
198 g_free(tmpNode->subTune[subEntry].pAuthor);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
199 tmpNode->subTune[subEntry].pAuthor = g_strdup(&inLine[9]);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
200 } else
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
201 if (strncmp(inLine, " TITLE:", 8) == 0)
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
202 {
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
203 inLine[eolPos++] = '\n';
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
204 inLine[eolPos++] = 0;
224
df4cb5115322 Removed duplicate function, more portability cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
205 xs_pstrcat(&(tmpNode->subTune[subEntry].pInfo), &inLine[2]);
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
206 } else
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
207 if (strncmp(inLine, " ARTIST:", 8) == 0)
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
208 {
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
209 inLine[eolPos++] = '\n';
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
210 inLine[eolPos++] = 0;
224
df4cb5115322 Removed duplicate function, more portability cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
211 xs_pstrcat(&(tmpNode->subTune[subEntry].pInfo), &inLine[1]);
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
212 } else
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
213 if (strncmp(inLine, "COMMENT:", 8) == 0)
224
df4cb5115322 Removed duplicate function, more portability cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
214 xs_pstrcat(&(tmpNode->subTune[subEntry].pInfo), inLine);
117
453ac1293f6a Fixed severe bug in xs_strmcat()
Matti Hamalainen <ccr@tnsp.org>
parents: 110
diff changeset
215 else
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
216 if (strncmp(inLine, " ", 8) == 0)
224
df4cb5115322 Removed duplicate function, more portability cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
217 xs_pstrcat(&(tmpNode->subTune[subEntry].pInfo), &inLine[8]);
103
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
218 break;
fe83646e6baa Changed plrFillBuffer()-functions to return actual number of samples computed.
Matti Hamalainen <ccr@tnsp.org>
parents: 101
diff changeset
219 }
101
Matti Hamalainen <ccr@tnsp.org>
parents: 99
diff changeset
220
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
221 } /* while */
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
222
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
223 /* Check if there is one remaining node */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
224 if (tmpNode)
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
225 xs_stildb_node_insert(db, tmpNode);
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
226
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
227 /* Close the file */
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
228 fclose(inFile);
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
229
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
230 return 0;
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
231 }
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
232
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
233
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
234 /* Compare two nodes
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
235 */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
236 static gint xs_stildb_cmp(const void *pNode1, const void *pNode2)
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
237 {
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
238 /* We assume here that we never ever get NULL-pointers or similar */
99
2bc56809ec0b STIL-support fixes, variable renaming
Matti Hamalainen <ccr@tnsp.org>
parents: 94
diff changeset
239 return strcmp((*(t_xs_stil_node **) pNode1)->pcFilename,
2bc56809ec0b STIL-support fixes, variable renaming
Matti Hamalainen <ccr@tnsp.org>
parents: 94
diff changeset
240 (*(t_xs_stil_node **) pNode2)->pcFilename);
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
241 }
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
242
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
243
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
244 /* (Re)create index
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
245 */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
246 gint xs_stildb_index(t_xs_stildb *db)
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
247 {
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
248 t_xs_stil_node *pCurr;
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
249 gint i;
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
250
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
251 /* Free old index */
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
252 if (db->ppIndex)
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
253 {
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
254 g_free(db->ppIndex);
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
255 db->ppIndex = NULL;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
256 }
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
257
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
258 /* Get size of db */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
259 pCurr = db->pNodes;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
260 db->n = 0;
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
261 while (pCurr)
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
262 {
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
263 db->n++;
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
264 pCurr = pCurr->pNext;
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
265 }
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
266
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
267 /* Check number of nodes */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
268 if (db->n > 0)
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
269 {
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
270 /* Allocate memory for index-table */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
271 db->ppIndex = (t_xs_stil_node **) g_malloc(sizeof(t_xs_stil_node *) * db->n);
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
272 if (!db->ppIndex) return -1;
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
273
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
274 /* Get node-pointers to table */
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
275 i = 0;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
276 pCurr = db->pNodes;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
277 while (pCurr && (i < db->n))
94
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diff changeset
278 {
227
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diff changeset
279 db->ppIndex[i++] = pCurr;
94
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diff changeset
280 pCurr = pCurr->pNext;
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diff changeset
281 }
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diff changeset
282
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diff changeset
283 /* Sort the indexes */
227
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diff changeset
284 qsort(db->ppIndex, db->n, sizeof(t_xs_stil_node *), xs_stildb_cmp);
94
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diff changeset
285 }
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diff changeset
286
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diff changeset
287 return 0;
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diff changeset
288 }
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diff changeset
289
227
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diff changeset
290 /* Free a given STIL database
94
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diff changeset
291 */
227
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diff changeset
292 void xs_stildb_free(t_xs_stildb *db)
94
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diff changeset
293 {
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diff changeset
294 t_xs_stil_node *pCurr, *pNext;
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diff changeset
295
227
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diff changeset
296 if (!db) return;
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diff changeset
297
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
298 /* Free the memory allocated for nodes */
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diff changeset
299 pCurr = db->pNodes;
94
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diff changeset
300 while (pCurr)
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diff changeset
301 {
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diff changeset
302 pNext = pCurr->pNext;
99
2bc56809ec0b STIL-support fixes, variable renaming
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diff changeset
303 xs_stildb_node_free(pCurr);
94
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diff changeset
304 pCurr = pNext;
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diff changeset
305 }
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diff changeset
306
227
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diff changeset
307 db->pNodes = NULL;
94
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diff changeset
308
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
309 /* Free memory allocated for index */
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diff changeset
310 if (db->ppIndex)
94
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diff changeset
311 {
227
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diff changeset
312 g_free(db->ppIndex);
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
313 db->ppIndex = NULL;
94
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diff changeset
314 }
227
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diff changeset
315
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
316 /* Free structure */
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
317 db->n = 0;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
318 g_free(db);
94
086681f70910 Start of re-write of STIL-support
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diff changeset
319 }
086681f70910 Start of re-write of STIL-support
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diff changeset
320
086681f70910 Start of re-write of STIL-support
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diff changeset
321
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
322 /* Get STIL information node from database
94
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diff changeset
323 */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
324 static t_xs_stil_node * xs_stildb_get_node(t_xs_stildb *db, gchar *pcFilename)
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
325 {
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
326 gint iStartNode, iEndNode, iQNode, r, i;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
327 gboolean iFound;
94
086681f70910 Start of re-write of STIL-support
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diff changeset
328 t_xs_stil_node *pResult;
086681f70910 Start of re-write of STIL-support
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diff changeset
329
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
330 /* Check the database pointers */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
331 if (!db || !db->pNodes || !db->ppIndex)
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
332 return NULL;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
333
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
334 /* Look-up via index using binary search */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
335 pResult = NULL;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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diff changeset
336 iStartNode = 0;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
337 iEndNode = (db->n - 1);
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
338 iQNode = (iEndNode / 2);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
339 iFound = FALSE;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
340
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
341 while ((!iFound) && ((iEndNode - iStartNode) > 128))
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
342 {
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
343 r = strcmp(pcFilename, db->ppIndex[iQNode]->pcFilename);
109
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parents: 103
diff changeset
344 if (r < 0)
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
345 {
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parents: 103
diff changeset
346 /* Hash was in the <- LEFT side */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
347 iEndNode = iQNode;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
348 iQNode = iStartNode + ((iEndNode - iStartNode) / 2);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
349 } else
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
350 if (r > 0)
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
351 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
352 /* Hash was in the RIGHT -> side */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
353 iStartNode = iQNode;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
354 iQNode = iStartNode + ((iEndNode - iStartNode) / 2);
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
355 } else
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
356 iFound = TRUE;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
357 }
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
358
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
359 /* If not found already */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
360 if (!iFound)
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
361 {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
362 /* Search the are linearly */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
363 iFound = FALSE;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
364 i = iStartNode;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
365 while ((i <= iEndNode) && (!iFound))
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
366 {
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
367 if (strcmp(pcFilename, db->ppIndex[i]->pcFilename) == 0)
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
368 iFound = TRUE;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
369 else
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
370 i++;
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
371 }
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
372
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
373 /* Check the result */
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
374 if (iFound)
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
375 pResult = db->ppIndex[i];
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
376
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
377 } else {
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
378 /* Found via binary search */
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
379 pResult = db->ppIndex[iQNode];
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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parents: 103
diff changeset
380 }
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
381
94
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
382 return pResult;
086681f70910 Start of re-write of STIL-support
Matti Hamalainen <ccr@tnsp.org>
parents: 62
diff changeset
383 }
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
384
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
385
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
386 /* Get from STIL database
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
387 */
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
388 t_xs_stil_node * xs_stildb_get(t_xs_stildb *db, gchar *hvscPath, gchar *pcFilename)
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
389 {
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
390 gchar *tmpFilename;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
391
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
392 /* Remove postfixed directory separator from HVSC-path */
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
393 tmpFilename = xs_strrchr(hvscPath, '/');
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
394 if (tmpFilename && (tmpFilename[1] == 0))
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 224
diff changeset
395 tmpFilename[0] = 0;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
396
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
397 /* Remove HVSC location-prefix from filename */
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
398 tmpFilename = strstr(pcFilename, hvscPath);
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
399 if (tmpFilename)
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
400 tmpFilename += strlen(hvscPath);
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
401 else
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
402 tmpFilename = pcFilename;
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
403
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
404 return xs_stildb_get_node(db, pcFilename);
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
405 }
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 224
diff changeset
406