flightgear/utils/xmlgrep

#
# Functions to Open and Close the XML file
# e.g.
#   id = xmlOpen("/tmp/file.xml");
#   xmlClose(id);
#
void *xmlOpen(const char *);
void xmlClose(const void *);

#
# Get the Id of a node at the specified path
# e.g.
#    xnid = xmlGetNode(id, "/path/to/specified/node");
#
void *xmlGetNode(const void *, const char *);
void *xmlCopyNode(void *, const char *);

#
# Functions to walk the node tree an process them one by one.
# e.g.
#   xmid = xmlMarkId(id);
#   num = xmlGetNumElements(xmid);
#   for (i=0; i<num; i++) {
#      if (xmlGetNextElement(id, xmid, "element") != 0) {
#         if ((s = xmlGetString(xmid)) != 0) {
#            printf("%s\n", s);
#            free(s);
#         }
#      }
#   }
#
void *xmlMarkId(void *);
unsigned int xmlGetNumElements(void *, const char *);
void *xmlGetNextElement(const void *, void *, const char *);

#
# These functions work on the current node.
# e.g.
#    xnid = xmlGetNode(id, "/path/to/last/node");
#    i = xmlGetInt(xnid);
# or
#    xnid = xmlGetNode(id, "/path/to/specified/node");
#    if (xmlCompareString(xnid, "value") == 0) printf("We have a match!\n");
#
long int xmlGetInt(void *);
double xmlGetDouble(void *);
char *xmlGetString(void *);
int xmlCompareString(const void *, const char *);

#
# These functions work on a specified node path
# e.g.
#    d = xmlGetNodeDouble(id, "/path/to/node");
# or
#    xnid = xmlGetNode(id, "/path/to");
#    i = xmlGetNodeInt(xnid, "node");
#
long int xmlGetNodeInt(void *, const char *);
double xmlGetNodeDouble(void *, const char *);
char *xmlGetNodeString(void *, const char *);
unsigned xmlCopyNodeString(void *, const char *, char *, const unsigned int);
int xmlCompareNodeString(const void *, const char *, const char *);