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-rw-r--r--xpa/clipboard.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/xpa/clipboard.c b/xpa/clipboard.c
new file mode 100644
index 0000000..68df675
--- /dev/null
+++ b/xpa/clipboard.c
@@ -0,0 +1,324 @@
+/*
+ * Copyright (c) 1999-2003 Smithsonian Astrophysical Observatory
+ */
+
+/*
+ *
+ * remote.c -- xpa access control list management
+ *
+ */
+
+#include <xpap.h>
+
+/*
+ *----------------------------------------------------------------------------
+ *
+ *
+ * Private Routines
+ *
+ *
+ *----------------------------------------------------------------------------
+ */
+
+#ifdef ANSI_FUNC
+static XPAClip
+ClipBoardNew(XPA xpa, char *name)
+#else
+static XPAClip ClipBoardNew(xpa, name)
+ XPA xpa;
+ char *name;
+#endif
+{
+ XPAClip cur, xnew;
+ if( (xnew = (XPAClip)xcalloc(1, sizeof(XPAClipRec))) == NULL )
+ return(NULL);
+
+ /* fill in record structure */
+ xnew->name = xstrdup(name);
+ xnew->ip = xpa->comm->cmdip;
+
+ /* add to the end of list */
+ if( xpa->cliphead == NULL ){
+ xpa->cliphead = xnew;
+ }
+ else{
+ for(cur=xpa->cliphead; cur->next!=NULL; cur=cur->next){
+ ;
+ }
+ cur->next = xnew;
+ }
+ return xnew;
+}
+
+#ifdef ANSI_FUNC
+static XPAClip
+ClipBoardLookup(XPA xpa, char *name)
+#else
+static XPAClip ClipBoardLookup(xpa, name)
+ XPA xpa;
+ char *name;
+#endif
+{
+ XPAClip cur;
+
+ /* look for reserved keywords that have callbacks */
+ for(cur=xpa->cliphead; cur!=NULL; cur=cur->next){
+ if( !strcmp(name, cur->name) && (xpa->comm->cmdip == cur->ip) ){
+ return(cur);
+ }
+ }
+ return NULL;
+}
+
+#ifdef ANSI_FUNC
+static int
+ClipBoardAdd(XPA xpa, char *name, char *paramlist, char *buf)
+#else
+static int
+ClipBoardAdd(xpa, name, paramlist, buf)
+ XPA xpa;
+ char *name;
+ char *paramlist;
+ char *buf;
+#endif
+{
+ XPAClip cur;
+ if( !(cur = ClipBoardLookup(xpa, name)) )
+ cur = ClipBoardNew(xpa, name);
+ if( !cur )
+ return -1;
+ if( cur->value )
+ xfree(cur->value);
+ cur->value = xstrdup(buf);
+ return 0;
+}
+
+#ifdef ANSI_FUNC
+static int
+ClipBoardAppend(XPA xpa, char *name, char *paramlist, char *buf)
+#else
+static int
+ClipBoardAppend(xpa, name, paramlist, buf)
+ XPA xpa;
+ char *name;
+ char *paramlist;
+ char *buf;
+#endif
+{
+ XPAClip cur;
+ if( !(cur = ClipBoardLookup(xpa, name)) )
+ cur = ClipBoardNew(xpa, name);
+ if( !cur )
+ return -1;
+ if( cur->value ){
+ if( (cur->value = (char *)xrealloc(cur->value,
+ strlen(cur->value)+strlen(buf)+1)) )
+ strcat(cur->value, buf);
+ else
+ return -1;
+ }
+ else{
+ cur->value = xstrdup(buf);
+ }
+ return 0;
+}
+
+#ifdef ANSI_FUNC
+static int
+ClipBoardDelete(XPA xpa, char *name, char *paramlist)
+#else
+static int
+ClipBoardDelete(xpa, name, paramlist)
+ XPA xpa;
+ char *name;
+ char *paramlist;
+#endif
+{
+ XPAClip cur;
+ if( (cur = ClipBoardLookup(xpa, name)) ){
+ ClipBoardFree(xpa, cur);
+ return 0;
+ }
+ else
+ return -1;
+}
+
+/*
+ *----------------------------------------------------------------------------
+ *
+ *
+ * Semi-Public Routines (used by xpa.c and command.c)
+ *
+ *
+ *----------------------------------------------------------------------------
+ */
+
+#ifdef ANSI_FUNC
+int
+ClipBoardFree(XPA xpa, XPAClip clip)
+#else
+int ClipBoardFree(xpa, clip)
+ XPA xpa;
+ XPAClip clip;
+#endif
+{
+ XPAClip cur;
+
+ if( !clip )
+ return 0;
+ /* remove from list */
+ if( xpa->cliphead ){
+ if( xpa->cliphead == clip ){
+ xpa->cliphead = clip->next;
+ }
+ else{
+ for(cur=xpa->cliphead; cur!=NULL; cur=cur->next){
+ if( cur->next == clip ){
+ cur->next = clip->next;
+ break;
+ }
+ }
+ }
+ }
+ if( clip->name ) xfree(clip->name);
+ if( clip->value ) xfree(clip->value);
+ xfree(clip);
+ return 1;
+}
+
+/*
+ *----------------------------------------------------------------------------
+ *
+ * Routine: XPAReceiveClipboard
+ *
+ * Purpose: add a new clipboard entry
+ *
+ * Returns: xpa callback error codes
+ *
+ *----------------------------------------------------------------------------
+ */
+#ifdef ANSI_FUNC
+int
+XPAReceiveClipboard (void *client_data, void *call_data, char *paramlist,
+ char *buf, size_t len)
+#else
+int XPAReceiveClipboard(client_data, call_data, paramlist, buf, len)
+ void *client_data;
+ void *call_data;
+ char *paramlist;
+ char *buf;
+ size_t len;
+#endif
+{
+ XPA xpa = (XPA)call_data;
+ char cmd[SZ_LINE];
+ char name[SZ_LINE];
+ char tbuf[SZ_LINE];
+ int lp=0;
+ int status = -1;
+
+ *cmd = '\0';
+ *name = '\0';
+ if( paramlist && *paramlist ){
+ if( !word(paramlist, cmd, &lp) || !word(paramlist, name, &lp) )
+ goto done;
+ /* lookup the command */
+ if( !strcmp(cmd, "add") ){
+ status = ClipBoardAdd(xpa, name, &paramlist[lp], buf);
+ }
+ else if( !strncmp(cmd, "app", 3) ){
+ status = ClipBoardAppend(xpa, name, &paramlist[lp], buf);
+ }
+ else if( !strncmp(cmd, "del", 3) ){
+ status = ClipBoardDelete(xpa, name, &paramlist[lp]);
+ }
+#ifdef LATER
+ else if( !strncmp(cmd, "loa", 3) ){
+ status = ClipBoardLoad(xpa, name, &paramlist[lp], buf);
+ }
+ else if( !strncmp(cmd, "sav", 3) ){
+ status = ClipBoardSave(xpa, name, &paramlist[lp]);
+ }
+#endif
+ }
+
+done:
+ if( status < 0 ){
+ if( !*cmd || !*name ){
+ XPAError(xpa, "XPA clipboard requires: add|append|delete name\n");
+ }
+ else{
+ snprintf(tbuf, SZ_LINE,
+ "XPA clipboard invalid cmd or name: %s %s\n", cmd, name);
+ XPAError(xpa, tbuf);
+ }
+ }
+ return(status);
+}
+
+/*
+ *----------------------------------------------------------------------------
+ *
+ * Routine: XPASendClipboard
+ *
+ * Purpose: return clipboard information
+ *
+ * Returns: 0 for success, -1 for failure
+ *
+ *----------------------------------------------------------------------------
+ */
+#ifdef ANSI_FUNC
+int
+XPASendClipboard (void *client_data, void *call_data, char *paramlist,
+ char **buf, size_t *len)
+#else
+int XPASendClipboard(client_data, call_data, paramlist, buf, len)
+ void *client_data;
+ void *call_data;
+ char *paramlist;
+ char **buf;
+ size_t *len;
+#endif
+{
+ XPA xpa = (XPA)call_data;
+ char name[SZ_LINE];
+ char tbuf[SZ_LINE];
+ int lp=0;
+ int status = -1;
+ XPAClip cur;
+
+ *name = '\0';
+ if( paramlist && *paramlist ){
+ if( !word(paramlist, name, &lp) )
+ goto done;
+ if( !(cur = ClipBoardLookup(xpa, name)) )
+ goto done;
+ if( cur->value ){
+ send(xpa_datafd(xpa), cur->value, strlen(cur->value), 0);
+ status = 0;
+ }
+ }
+
+done:
+ if( status < 0 ){
+ if( !*name ){
+ XPAError(xpa, "XPA clipboard requires: name\n");
+ }
+ else{
+ snprintf(tbuf, SZ_LINE, "XPA clipboard invalid name: %s\n", name);
+ XPAError(xpa, tbuf);
+ }
+ }
+ return(status);
+}
+
+/*
+ *----------------------------------------------------------------------------
+ *
+ *
+ * Public Routines
+ *
+ *
+ *----------------------------------------------------------------------------
+ */
+
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