1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "xmlparse.h"
static XML_Parser parser = NULL;
typedef struct {
char *name;
double value;
} DataNode;
typedef struct {
const char *itemID;
const char *groupID;
int dataCount;
DataNode **datas;
} ItemNode;
typedef struct {
int itemCount;
ItemNode **items;
} ItemList;
typedef struct {
int listCount;
ItemList *lists;
} GroupedLists;
static ItemList *ItemList_create()
{
ItemList *d = (ItemList *) (malloc(sizeof(ItemList)));
d->itemCount = 0;
d->items = NULL;
return d;
}
static void ItemList_addItemNode(ItemList *d, ItemNode *n)
{
int i = d->itemCount++;
d->items = realloc(d->items, sizeof(ItemNode *) * d->itemCount);
d->items[i] = n;
}
static ItemNode *ItemNode_create()
{
ItemNode *i = (ItemNode *) (malloc(sizeof(ItemNode)));
i->itemID = NULL;
i->groupID = NULL;
i->dataCount = 0;
i->datas = NULL;
return i;
}
static void ItemNode_addDataNode(ItemNode *n, DataNode *d)
{
int i = n->dataCount++;
n->datas = realloc(n->datas, sizeof(DataNode *) * n->dataCount);
n->datas[i] = d;
}
static DataNode *DataNode_create()
{
DataNode *i = (DataNode *) (malloc(sizeof(DataNode)));
i->name = NULL;
i->value = 0.0;
return i;
}
static void startElement(void *userData, const char *name, const char **atts)
{
int i;
ItemList *currentList = (ItemList *) userData;
if (strcmp(name, "dataset") == 0) {
}
else if (strcmp(name, "item") == 0) {
ItemNode *currentItem = ItemNode_create();
for (;*atts; atts++) {
if (strcmp(*atts, "groupid") == 0) {
currentItem->groupID = strdup(*(atts + 1));
}
else if (strcmp(*atts, "itemid") == 0) {
currentItem->itemID = strdup(*(atts + 1));
}
}
ItemList_addItemNode(currentList, currentItem);
}
else {
ItemNode *currentItem = currentList->items[currentList->itemCount - 1];
DataNode *currentData = DataNode_create();
currentData->name = strdup(name);
for (;*atts; atts++) {
if (strcmp(*atts, "data") == 0) {
currentData->value = strtod(*(atts + 1), NULL);
}
}
ItemNode_addDataNode(currentItem, currentData);
}
}
static void endElement(void *userData, const char *name)
{
}
static int compareItems(const void *arg1, const void *arg2)
{
const ItemNode **item1 = (ItemNode **) arg1;
const ItemNode **item2 = (ItemNode **) arg2;
int result;
if ((result = strcmp((*item1)->groupID, (*item2)->groupID)) != 0) {
return result;
}
return strcmp((*item1)->itemID, (*item2)->itemID);
}
ItemList *getData(FILE *inputfp) {
int done = 0;
char buf[1000];
XML_Parser parser = XML_ParserCreate(NULL);
ItemList *list = ItemList_create();
XML_SetUserData(parser, list);
XML_SetElementHandler(parser, startElement, endElement);
do {
size_t len = fread(buf, 1, sizeof(buf), inputfp);
done = len < sizeof(buf);
if (!XML_Parse(parser, buf, len, done)) {
fprintf(stderr,
"%s at line %d\n",
XML_ErrorString(XML_GetErrorCode(parser)),
XML_GetCurrentLineNumber(parser));
return NULL;
}
} while (!done);
qsort((void *) (list->items), list->itemCount, sizeof(*(list->items)), &compareItems);
return list;
}
int main(int argc, char **argv)
{
int i, j;
ItemList *list = getData(stdin);
for (i = 0; i < list->itemCount; i++) {
printf("item %s %s\n",
list->items[i]->groupID,
list->items[i]->itemID);
for (j = 0; j < list->items[i]->dataCount; j++) {
printf("data %s %f\n",
list->items[i]->datas[j]->name,
list->items[i]->datas[j]->value);
}
}
}
|
