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-rw-r--r--src/hyper/spadint.pamphlet1289
1 files changed, 1289 insertions, 0 deletions
diff --git a/src/hyper/spadint.pamphlet b/src/hyper/spadint.pamphlet
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+++ b/src/hyper/spadint.pamphlet
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+\documentclass{article}
+\usepackage{axiom}
+\begin{document}
+\title{\$SPAD/src/spadint}
+\author{The Axiom Team}
+\maketitle
+\begin{abstract}
+\end{abstract}
+\eject
+\tableofcontents
+\eject
+\section{spadint.c}
+<<spadint.c>>=
+/* Still a problem with close_client */
+
+/* Communication interface for external AXIOM buffers */
+#define _SPADINT_C
+#include "axiom-c-macros.h"
+#include "useproto.h"
+#include "debug.h"
+
+#include <signal.h>
+
+#include "hyper.h"
+#include "cond.h"
+#include "mem.h"
+#include "parse.h"
+#include "bsdsignal.h"
+
+#include "all_hyper_proto.H1"
+#include "sockio-c.H1"
+#include "bsdsignal.H1"
+
+
+typedef struct sock_list { /* linked list of Sock */
+ Sock Socket;
+ struct sock_list *next;
+} Sock_List;
+
+Sock_List *plSock = (Sock_List *) 0;
+Sock *spad_socket = (Sock *) 0; /* to_server socket for SpadServer */
+
+/* issue a AXIOM command to the buffer associated with a page */
+void
+issue_spadcommand(HyperDocPage *page, TextNode *command, int immediate,
+ int type)
+{
+ char *buf;
+ int ret_val;
+
+ ret_val = connect_spad();
+ if (ret_val == NotConnected || ret_val == SpadBusy)
+ return;
+
+ if (page->sock == NULL)
+ start_user_buffer(page);
+ ret_val = send_int(page->sock, TestLine);
+ if (ret_val == -1) {
+ page->sock = NULL;
+ clear_execution_marks(page->depend_hash);
+ issue_spadcommand(page, command, immediate, type);
+ return;
+ }
+ issue_dependent_commands(page, command, type);
+ ret_val = send_int(page->sock, ReceiveInputLine);
+ buf = print_to_string(command);
+ if (immediate) {
+ buf[strlen(buf) + 1] = '\0';
+ buf[strlen(buf)] = '\n';
+ }
+ if (type == Spadsrc)
+ send_pile(page->sock, buf);
+ else
+ send_string(page->sock, buf);
+ mark_as_executed(page, command, type);
+ gIsEndOfOutput = 0;
+}
+static void
+send_pile(Sock *sock,char * str)
+{
+ FILE *f;
+ char name[512], command[512];
+
+ sprintf(name, "/tmp/hyper%s.input", getenv("SPADNUM"));
+ f = fopen(name, "w");
+ if (f == NULL) {
+ fprintf(stderr, "Can't open temporary input file %s\n", name);
+ return;
+ }
+ fprintf(f, "%s", str);
+ fclose(f);
+ sprintf(command, ")read %s\n", name);
+ send_string(sock, command);
+}
+static void
+issue_dependent_commands(HyperDocPage *page, TextNode *command,int type)
+{
+ TextNode *node, *depend_label;
+ SpadcomDepend *depend;
+ int end_type = (type == Spadcommand || type == Spadgraph) ?
+ (Endspadcommand) : (Endspadsrc);
+
+ for (node = command->next; node->type != end_type;
+ node = node->next)
+ if (node->type == Free)
+ for (depend_label = node->data.node; depend_label != NULL;
+ depend_label = depend_label->next)
+ if (depend_label->type == Word) {
+ depend = (SpadcomDepend *)
+ hash_find(page->depend_hash, depend_label->data.text);
+ if (depend == NULL) {
+ fprintf(stderr, "Error: dependency on undefined label: %s\n",
+ depend_label->data.text);
+ continue;
+ }
+ if (!depend->executed) {
+ issue_spadcommand(page, depend->spadcom->next, 1,
+ depend->spadcom->type);
+ while (!gIsEndOfOutput)
+ pause();
+ sleep(1);
+ }
+ }
+}
+static void
+mark_as_executed(HyperDocPage *page, TextNode *command,int type)
+{
+ TextNode *node, *depend_label;
+ SpadcomDepend *depend;
+ int end_type = (type == Spadcommand || type == Spadgraph)
+ ? (Endspadcommand) : (Endspadsrc);
+
+ for (node = command; node->type != end_type; node = node->next)
+ if (node->type == Bound)
+ for (depend_label = node->data.node; depend_label != NULL;
+ depend_label = depend_label->next)
+ if (depend_label->type == Word) {
+ depend = (SpadcomDepend *)
+ hash_find(page->depend_hash, depend_label->data.text);
+ if (depend == NULL) {
+ fprintf(stderr, "No dependency entry for label: %s\n",
+ depend_label->data.text);
+ continue;
+ }
+ depend->executed = 1;
+ }
+}
+
+/* start a spad buffer for the page associated with the give */
+static void
+start_user_buffer(HyperDocPage *page)
+{
+ char buf[1024], *title;
+ char *SPAD;
+ char spadbuf[250];
+ char complfile[250];
+ int ret_val;
+
+ SPAD = (char *) getenv("AXIOM");
+ if (SPAD == NULL) {
+ sprintf(SPAD, "/spad/mnt/rios");
+ }
+ sprintf(spadbuf, "%s/lib/spadbuf", SPAD);
+ sprintf(complfile, "%s/lib/command.list", SPAD);
+ title = print_to_string(page->title);
+ if (access(complfile, R_OK) == 0)
+
+ /*
+ * TTT says : why not invoke with "-name axiomclient" and set any
+ * defaults in the usual way
+ */
+#ifdef RIOSplatform
+ sprintf(buf,
+ "aixterm -sb -sl 500 -name axiomclient -n '%s' -T '%s' -e %s %s %s&",
+ title, title, spadbuf, page->name, complfile);
+ else
+ sprintf(buf,
+ "aixterm -sb -sl 500 -name axiomclient -n '%s' -T '%s' -e %s %s&",
+ title, title, spadbuf, page->name);
+#else
+#ifdef SUNplatform
+ sprintf(buf,
+ "xterm -sb -sl 500 -name axiomclient -n '%s' -T '%s' -e %s %s %s&",
+ title, title, spadbuf, page->name, complfile);
+ else
+ sprintf(buf,
+ "xterm -sb -sl 500 -name axiomclient -n '%s' -T '%s' -e %s %s&",
+ title, title, spadbuf, page->name);
+#else
+ sprintf(buf,
+ "xterm -sb -sl 500 -name axiomclient -n '%s' -T '%s' -e %s %s %s&",
+ title, title, spadbuf, page->name, complfile);
+ else
+ sprintf(buf,
+ "xterm -sb -sl 500 -name axiomclient -n '%s' -T '%s' -e %s '%s'&",
+ title, title, spadbuf, page->name);
+#endif
+#endif
+ ret_val = system(buf);
+ if (ret_val == -1 || ret_val == 127) {
+
+ /*
+ * perror("running the xterm spadbuf program"); exit(-1);
+ */
+ }
+ accept_menu_server_connection(page);
+ sleep(2);
+}
+
+/* Clears the execution marks in a hash table when a buffer has been killed */
+static void
+clear_execution_marks(HashTable *depend_hash)
+{
+ int i;
+ HashEntry *h;
+ SpadcomDepend *depend;
+
+ if (depend_hash == 0)
+ return;
+ for (i = 0; i < depend_hash->size; i++)
+ for (h = depend_hash->table[i]; h != NULL; h = h->next) {
+ depend = (SpadcomDepend *) h->data;
+ depend->executed = 0;
+ }
+}
+
+Sock *
+accept_menu_connection(Sock *server_sock)
+{
+ int sock_fd /*, session, ret_code*/;
+ Sock_List *pls;
+ /*Sock local_sock;*/
+
+ /* Could only be InterpWindow */
+
+ pls = (Sock_List *) halloc(sizeof(Sock_List),"SockList");
+ sock_fd = accept(server_sock->socket, 0, 0);
+ if (sock_fd == -1) {
+ perror("session : accepting connection");
+ return 0;
+ }
+ (pls->Socket).socket = sock_fd;
+ get_socket_type((Sock *) pls);
+
+#ifdef DEBUG
+ fprintf(stderr,
+ "session: accepted InterpWindow , fd = %d\n", sock_fd);
+#endif
+
+
+ /* put new item at head of list */
+
+ if (plSock == (Sock_List *) 0) {
+ plSock = pls;
+ plSock->next = (Sock_List *) 0;
+ }
+ else {
+ pls->next = plSock;
+ plSock = pls;
+ }
+
+ /* need to maintain socket_mask since we roll our own accept */
+
+ FD_SET(plSock->Socket.socket, &socket_mask);
+ return (Sock *) plSock;
+}
+
+static void
+accept_menu_server_connection(HyperDocPage *page)
+{
+
+ /*
+ * TTT thinks this code should just provide a Sock to the page. The only
+ * client assumed is a spadbuf. Since spadbuf was invoked with the page
+ * name, it just passes it back here as a check (get_string line).
+ */
+ int ret_code/*, i*/;
+ fd_set rd;
+ Sock *sock;
+ char *buf_name;
+ HyperDocPage *npage;
+
+ if (page->sock != NULL)
+ return;
+ while (1) {
+ rd = server_mask;
+ ret_code = sselect(FD_SETSIZE, &rd, 0, 0, NULL);
+ if (ret_code == -1) {
+ perror("Session manager select");
+ continue;
+ }
+
+ if (server[1].socket > 0 && FD_ISSET(server[1].socket, &rd)) {
+ sock = accept_menu_connection(server + 1);
+ if (sock == 0)
+ return;
+ if (sock->purpose == InterpWindow) {
+ buf_name = get_string(sock);
+ npage = (HyperDocPage *)
+ hash_find(gWindow->fPageHashTable, buf_name);
+ if (npage == NULL) {
+
+ /*
+ * Lets just try using the current page TTT doesn't know
+ * why this could be detrimental
+ *
+ * fprintf(stderr, "connecting spadbuf to unknown page:
+ * %s\n", buf_name);
+ */
+ page->sock = sock;
+ return;
+ }
+ else {
+
+ /*
+ * For some reason npage and page may be different TTT
+ * thinks this happens when a dynamic page has the same
+ * name as an existing static page.
+ */
+ npage->sock = sock;
+ page->sock = sock;
+ }
+ if (!strcmp(buf_name, page->name)) {
+ return;
+ }
+ }
+ }
+ }
+}
+
+
+/*
+ * This procedure takes a HyperDoc node, and expands it into string
+ */
+
+char *p2sBuf = NULL;
+int p2sBufSize = 0;
+
+/*
+ * This routine takes a text node and creates a string out of it. This is for
+ * use with things such as spad commands. There are a very limited set of
+ * node types it can handle, so be careful
+ */
+
+char *
+print_to_string(TextNode *command)
+{
+ int len = 0;
+
+ print_to_string1(command, &len);
+ p2sBuf = resizeBuffer(len, p2sBuf, &p2sBufSize);
+ return print_to_string1(command, NULL);
+}
+
+/*
+see the code in ht-util.boot
+ $funnyQuote := char 127
+ $funnyBacks := char 128
+*/
+#define funnyEscape(c) ((c) == '"' ? '\177' : ((c) == '\\' ? '\200' : c))
+#define funnyUnescape(c) ((c) == '\177' ? '"' : ((c) == '\200' ? '\\' : c))
+#define storeChar(ch) if (sizeBuf) (*sizeBuf)++; else *c++ = (ch)
+#define storeString(str) for (s=str;*s;s++) {storeChar(*s);}
+
+extern int include_bf;
+
+char *
+print_to_string1(TextNode *command,int * sizeBuf)
+{
+ char *c = p2sBuf;
+ char *s;
+ InputItem *item;
+ LineStruct *curr_line;
+ int lcount;
+ InputBox *box;
+ int num_spaces;
+ int count;
+ TextNode *node;
+
+ /*
+ * Init the stack of text nodes, things are pushed on here when I trace
+ * through a nodes data.node. This way I always no where my next is.
+ */
+
+ for (node = command; node != NULL;) {
+ switch (node->type) {
+ case Newline:
+ storeChar('\n');
+ node = node->next;
+ break;
+ case Ifcond:
+ if (check_condition(node->data.ifnode->cond))
+ node = node->data.ifnode->thennode;
+ else
+ node = node->data.ifnode->elsenode;
+ break;
+ case Endarg:
+ case Endspadcommand:
+ case Endspadsrc:
+ case Endpix:
+ storeChar('\0');
+ return p2sBuf;
+ case Endverbatim:
+ case Endif:
+ case Fi:
+ case Endmacro:
+ case Endparameter:
+ case Rbrace:
+ case Endgroup:
+ node = node->next;
+ break;
+ case Punctuation:
+
+ /*
+ * Simply copy the piece of text
+ */
+ if (node->space & FRONTSPACE) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+ node = node->next;
+ break;
+ case WindowId:
+
+ /*
+ * Simply copy the piece of text
+ */
+ if (node->space) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+ storeChar(' ');
+ node = node->next;
+ break;
+ case Verbatim:
+ case Spadsrctxt:
+
+ /*
+ * Simply copy the piece of text
+ */
+ if (node->space) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+
+ /*
+ * now add the eol
+ */
+
+ /*
+ * if(node->next && node->next->type != Endspadsrc)
+ * storeChar('\n');
+ */
+ node = node->next;
+ break;
+ case Dash:
+ case Rsquarebrace:
+ case Lsquarebrace:
+ case Word:
+
+ /*
+ * Simply copy the piece of text
+ */
+ if (node->space) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+ node = node->next;
+ break;
+ case BoxValue:
+ box =
+ (InputBox *) hash_find(gWindow->page->box_hash, node->data.text);
+ if (box == NULL) {
+ fprintf(stderr,
+ "Print_to_string:Box %s Has no symbol table entry\n",
+ node->data.text);
+ exit(-1);
+ }
+ storeChar(' ');
+ if (box->picked) {
+ storeChar('t');
+ }
+ else {
+ storeChar('n');
+ storeChar('i');
+ storeChar('l');
+ }
+ node = node->next;
+ break;
+ case StringValue:
+ item = return_item(node->data.text);
+ if (item != NULL) {
+ if (node->space)
+ storeChar(' ');
+ curr_line = item->lines;
+ while (curr_line != NULL) {
+ for (lcount = 0, s = curr_line->buffer; *s && lcount < item->size;
+ s++, lcount++) {
+ storeChar(funnyUnescape(*s));
+ }
+ if (curr_line->len <= item->size && curr_line->next)
+ storeChar('\n');
+ curr_line = curr_line->next;
+ }
+ }
+ else if ((box = (InputBox *) hash_find(gWindow->page->box_hash,
+ node->data.text)) != NULL) {
+ if (node->space) { storeChar(' '); }
+ if (box->picked) {
+ storeChar('t');
+ }
+ else {
+ storeChar('n');
+ storeChar('i');
+ storeChar('l');
+ }
+ }
+ else {
+ fprintf(stderr, "Error, Symbol %s has no symbol table entry\n",
+ node->data.text);
+ exit(-1);
+ }
+ node = node->next;
+ break;
+ case Space:
+ num_spaces = (node->data.node != NULL ?
+ atoi(node->data.node->data.text) : 1);
+ for (count = 0; count < num_spaces; count++)
+ storeChar(' ');
+ node = node->next;
+ break;
+ case Titlenode:
+ case Endtitle:
+ case Center:
+ case Endcenter:
+ case BoldFace:
+ case Emphasize:
+ case Indentrel:
+ node = node->next;
+ break;
+ case Bound:
+ if (include_bf) {
+ int len, i;
+ TextNode *n2 = node->data.node;
+
+ storeChar('\\');
+ storeChar('b');
+ storeChar('o');
+ storeChar('u');
+ storeChar('n');
+ storeChar('d');
+ storeChar('{');
+ for (; n2->type != Endarg; n2 = n2->next) {
+ if (n2->type == Word) {
+ len = strlen(n2->data.text);
+ for (i = 0; i < len; i++)
+ storeChar(n2->data.text[i]);
+ storeChar(' ');
+ }
+ }
+ storeChar('}');
+ }
+ node = node->next;
+ break;
+ case Free:
+ if (include_bf) {
+ int len, i;
+ TextNode *n2 = node->data.node;
+
+ storeChar('\\');
+ storeChar('f');
+ storeChar('r');
+ storeChar('e');
+ storeChar('e');
+ storeChar('{');
+ for (; n2->type != Endarg; n2 = n2->next) {
+ if (n2->type == Word) {
+ len = strlen(n2->data.text);
+ for (i = 0; i < len; i++)
+ storeChar(n2->data.text[i]);
+ storeChar(' ');
+ }
+ }
+ storeChar('}');
+ }
+ node = node->next;
+ break;
+ case Macro:
+ node = node->next;
+ break;
+ case Pound:
+ if (node->space) { storeChar(' '); }
+ node = node->next;
+ break;
+ case Group:
+ node = node->next;
+ break;
+ case Indent:
+ num_spaces = (node->data.node != NULL ?
+ atoi(node->data.node->data.text) : 1);
+ for (count = 0; count < num_spaces; count++)
+ storeChar(' ');
+ node = node->next;
+ break;
+ default:
+ fprintf(stderr,
+ "Print_to_string: Unrecognized Keyword Type %d\n",
+ node->type);
+ node=node->next;
+ break;
+ }
+ }
+ storeChar('\0');
+ return p2sBuf;
+}
+
+/*
+ * Send a lisp or spad command to the AXIOM server for execution , if
+ * type is link, then we wait for a HyperDoc card to be returned
+ */
+
+HyperDocPage *
+issue_server_command(HyperLink *link)
+{
+ TextNode *command = (TextNode *) link->reference.node;
+ int ret_val;
+ char *buf;
+ HyperDocPage *page;
+
+ ret_val = connect_spad();
+ if (ret_val == NotConnected) {
+ page = (HyperDocPage *) hash_find(gWindow->fPageHashTable, "SpadNotConnectedPage");
+ if (page == NULL)
+ fprintf(stderr, "No SpadNotConnectedPage found\n");
+ return page;
+ }
+ if (ret_val == SpadBusy) {
+ page = (HyperDocPage *) hash_find(gWindow->fPageHashTable, "SpadBusyPage");
+ if (page == NULL)
+ fprintf(stderr, "No SpadBusyPage found\n");
+ return page;
+ }
+ switch_frames();
+ switch (link->type) {
+ case Qspadcall:
+ case Qspadcallquit:
+ case Spadlink:
+ case Spaddownlink:
+ case Spadmemolink:
+ send_int(spad_socket, QuietSpadCommand);
+ break;
+ case Spadcall:
+ case Spadcallquit:
+ send_int(spad_socket, SpadCommand);
+ break;
+ default:
+ send_int(spad_socket, LispCommand);
+ break;
+ }
+ buf = print_to_string(command);
+ send_string(spad_socket, buf);
+ if (link->type == Lispcommand || link->type == Spadcall
+ || link->type == Spadcallquit || link->type == Qspadcallquit
+ || link->type == Qspadcall || link->type == Lispcommandquit)
+ return NULL;
+ page = parse_page_from_socket();
+ return page;
+}
+
+int
+issue_serverpaste(TextNode *command)
+{
+ char *buf;
+ int ret_val;
+
+ ret_val = connect_spad();
+ if (ret_val == NotConnected || ret_val == SpadBusy)
+ return 1;
+ switch_frames();
+ send_int(spad_socket, LispCommand);
+ buf = print_to_string(command);
+ send_string(spad_socket, buf);
+ return 1;
+}
+
+/*
+ * issue a unix command
+ */
+void
+issue_unixcommand(TextNode *node)
+{
+ char *buf;
+ char *copy;
+
+
+ buf = print_to_string(node);
+ copy =(char *) halloc((strlen(buf)+2)*sizeof(char),"Unixcommand");
+ strcpy(copy,buf);
+ copy[strlen(buf) + 1] = '\0';
+ copy[strlen(buf)] = '&';
+ system(copy);
+ free(copy);
+ return;
+}
+
+HyperDocPage *
+issue_unixlink(TextNode *node)
+{
+ HyperDocPage *page;
+ char *buf;
+
+ buf = print_to_string(node);
+ if ((unixfd = popen(buf, "r")) == NULL) {
+ fprintf(stderr, "Error popening %s\n", buf);
+ exit(-1);
+ }
+ bsdSignal(SIGUSR2,SIG_IGN,0);
+ page = parse_page_from_unixfd();
+ bsdSignal(SIGUSR2,sigusr2_handler,0);
+ return page;
+}
+
+int
+issue_unixpaste(TextNode *node)
+{
+ char *buf;
+
+ buf = print_to_string(node);
+ if ((unixfd = popen(buf, "r")) == NULL) {
+ fprintf(stderr, "Error popening %s\n", buf);
+ exit(-1);
+ }
+ return 1;
+}
+
+
+/*
+ * called when session_server selects
+ */
+void
+service_session_socket(void)
+{
+ int cmd, pid;
+
+ cmd = get_int(session_server);
+ switch (cmd) {
+ case CloseClient:
+ pid = get_int(session_server);
+ if (pid != -1)
+ close_client(pid);
+ break;
+ default:
+ fprintf(stderr,
+ "(HyperDoc) Unknown command from SessionServer %d\n", cmd);
+ break;
+ }
+}
+
+
+/*
+ * let spad know which frame to issue command via
+ */
+static void
+switch_frames(void)
+{
+ if (session_server == NULL) {
+ fprintf(stderr, "(HyperDoc) No session manager connected!\n");
+ return;
+ }
+ if (gWindow->fAxiomFrame == -1) {
+ fprintf(stderr, "(HyperDoc) No AXIOM frame associated with top level window!\n");
+ return;
+ }
+ send_int(session_server, SwitchFrames);
+ send_int(session_server, gWindow->fAxiomFrame);
+}
+void
+send_lisp_command(char *command)
+{
+ int ret_val;
+
+ ret_val = connect_spad();
+ if (ret_val == NotConnected || ret_val == SpadBusy) {
+ return;
+ }
+ send_int(spad_socket, LispCommand);
+ send_string(spad_socket, command);
+}
+void
+escape_string(char *s)
+{
+ char *st;
+
+ for (st = s; *st; st++)
+ *st = funnyEscape(*st);
+}
+void
+unescape_string(char *s)
+{
+ char *st;
+
+ for (st = s; *st; st++)
+ *st = funnyUnescape(*st);
+}
+static void
+close_client(int pid)
+{
+ /*int i;*/
+ Sock_List *pSock, *locSock;
+
+ /*
+ * just need to drop the list item
+ */
+
+ if (plSock == (Sock_List *) 0)
+ return;
+
+ /*
+ * first check head
+ */
+
+ if ((plSock->Socket.pid == pid)) {
+ locSock = plSock;
+ if ((*plSock).next == (Sock_List *) 0) {
+ plSock = (Sock_List *) 0;
+ }
+ else {
+ plSock = plSock->next;
+ }
+ free(locSock);
+ }
+
+ /*
+ * now check the rest
+ */
+
+ else {
+ for (pSock = plSock; pSock->next != (Sock_List *) 0; pSock = pSock->next)
+ if (pSock->next->Socket.pid == pid) {
+ locSock = pSock->next;
+ if (pSock->next->next == (Sock_List *) 0) {
+ pSock->next = (Sock_List *) 0;
+ }
+ else {
+ pSock->next = pSock->next->next;
+ }
+ free(locSock);
+ break;
+ }
+ }
+}
+
+
+
+char *
+print_source_to_string(TextNode *command)
+{
+ int len = 0;
+
+ print_source_to_string1(command, &len);
+ p2sBuf = resizeBuffer(len, p2sBuf, &p2sBufSize);
+ return print_source_to_string1(command, NULL);
+}
+char *
+print_source_to_string1(TextNode *command,int * sizeBuf)
+{
+ char *c = p2sBuf;
+ char *s;
+ InputItem *item;
+ LineStruct *curr_line;
+ int lcount;
+ InputBox *box;
+ int num_spaces;
+ int count;
+ TextNode *node;
+
+ /*
+ print out HyperDoc source for what you see
+ */
+
+ for (node = command; node != NULL;) {
+ switch (node->type) {
+ case Newline:
+ storeString("\\newline\n");
+ node = node->next;
+ break;
+ case Par:
+ storeString("\n\n");
+ node = node->next;
+ break;
+ case Indentrel:
+ storeString("\\indentrel{");
+ storeString(node->data.node->data.text);
+ storeChar('}');
+ node = node->next;
+ break;
+ case Tab:
+ storeString("\\tab{");
+ storeString(node->data.node->data.text);
+ storeChar('}');
+ node = node->next;
+ break;
+ case Ifcond:
+ if (check_condition(node->data.ifnode->cond))
+ node = node->data.ifnode->thennode;
+ else
+ node = node->data.ifnode->elsenode;
+ break;
+ case Endarg:
+ case Endspadsrc:
+ case Endpix:
+ case Endbutton:
+ storeChar('}');
+ node = node->next;
+ break;
+ case Endverbatim:
+ case Endif:
+ case Fi:
+ case Endmacro:
+ case Endparameter:
+ case Rbrace:
+ node = node->next;
+ break;
+ case Punctuation:
+
+ /*
+ * Simply copy the piece of text
+ */
+ if (node->space & FRONTSPACE) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+ node = node->next;
+ break;
+ case WindowId:
+ storeString("\\windowid ");
+ node = node->next;
+ break;
+ case Verbatim:
+ case Spadsrctxt:
+ if (node->space) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+ node = node->next;
+ break;
+ case Dash:
+ case Rsquarebrace:
+ case Lsquarebrace:
+ case Word:
+ if (node->space) { storeChar(' '); }
+ for (s = node->data.text; *s; s++) { storeChar(*s); }
+ node = node->next;
+ break;
+ case BoxValue:
+ box = (InputBox *) hash_find(gWindow->page->box_hash, node->data.text);
+ if (box == NULL) {
+ fprintf(stderr, "Print_to_string:Box %s Has no symbol table entry\n",
+ node->data.text);
+ exit(-1);
+ }
+ storeChar(' ');
+ if (box->picked) {
+ storeChar('t');
+ }
+ else {
+ storeChar('n');
+ storeChar('i');
+ storeChar('l');
+ }
+ node = node->next;
+ break;
+ case StringValue:
+ item = return_item(node->data.text);
+ if (item != NULL) {
+ if (node->space) { storeChar(' '); }
+ curr_line = item->lines;
+ while (curr_line != NULL) {
+ for (lcount = 0, s = curr_line->buffer;
+ *s && lcount < item->size;
+ s++, lcount++) {
+ storeChar(funnyUnescape(*s));
+ }
+ if (curr_line->len <= item->size && curr_line->next)
+ storeChar('\n');
+ curr_line = curr_line->next;
+ }
+ }
+ else if ((box = (InputBox *) hash_find(gWindow->page->box_hash,
+ node->data.text)) != NULL) {
+ if (node->space) { storeChar(' '); }
+ if (box->picked) {
+ storeChar('t');
+ }
+ else {
+ storeChar('n');
+ storeChar('i');
+ storeChar('l');
+ }
+ }
+ else {
+ fprintf(stderr, "Error, Symbol %s has no symbol table entry\n",
+ node->data.text);
+ exit(-1);
+ }
+ node = node->next;
+ break;
+ case Space:
+ num_spaces = (node->data.node != NULL ?
+ atoi(node->data.node->data.text) : 1);
+ for (count = 0; count < num_spaces; count++)
+ storeChar(' ');
+ node = node->next;
+ break;
+ case Emphasize:
+ storeString("\\em ");
+ node = node->next;
+ break;
+ case BoldFace:
+ storeString("\\bf ");
+ node = node->next;
+ break;
+ case Sl:
+ storeString("\\it ");
+ node = node->next;
+ break;
+ case Rm:
+ storeString("\\rm ");
+ node = node->next;
+ break;
+ case It:
+ storeString("\\it ");
+ node = node->next;
+ break;
+ case Tt:
+ storeString("\\tt ");
+ node = node->next;
+ break;
+ case Group:
+/* skip {} */
+ if (node->next->type==Endgroup){
+ node=node->next->next;
+ break;
+ }
+ storeChar('{');
+ node = node->next;
+ break;
+ case Endgroup:
+ storeChar('}');
+ node = node->next;
+ break;
+ case Box:
+ storeString("\\box{");
+ node = node->next;
+ break;
+ case Endbox:
+ storeChar('}');
+ node = node->next;
+ break;
+ case Center:
+ storeString("\\center{");
+ node = node->next;
+ break;
+ case Endcenter:
+ storeString("}");
+ storeChar('\n');
+ node = node->next;
+ break;
+ case Titlenode:
+ case Endtitle:
+ node = node->next;
+ break;
+ case Bound:
+ {
+ TextNode *n2 = node->data.node;
+
+ storeString("\\bound{");
+ for (; n2->type != Endarg; n2 = n2->next) {
+ if (n2->type == Word) {
+ storeString(n2->data.text);
+ storeChar(' ');
+ }
+ }
+ storeChar('}');
+ }
+ node = node->next;
+ break;
+ case Free:
+ {
+ TextNode *n2 = node->data.node;
+
+ storeString("\\free{");
+ for (; n2->type != Endarg; n2 = n2->next) {
+ if (n2->type == Word) {
+ storeString(n2->data.text);
+ storeChar(' ');
+ }
+ }
+ storeChar('}');
+ }
+ node = node->next;
+ break;
+ case Macro:
+ storeChar(' ');
+ node = node->next;
+ break;
+ case Pound:
+ if (node->space) { storeChar(' '); }
+ node = node->next;
+ break;
+ case Indent:
+ num_spaces = (node->data.node != NULL ?
+ atoi(node->data.node->data.text) : 1);
+ for (count = 0; count < num_spaces; count++)
+ storeChar(' ');
+ node = node->next;
+ break;
+ case Inputbitmap:
+ storeString("\\inputbitmap{");
+ storeString(node->data.text);
+ storeString("}\n");
+ node = node->next;
+ break;
+ case Endscrolling:
+ storeString("\\end{scroll}\n");
+ node = node->next;
+ break;
+ case Scrollingnode:
+ storeString("\\begin{scroll}\n");
+ storeString("% This is the scrolling area\n");
+ node = node->next;
+ break;
+ case Horizontalline:
+ storeString("\\horizontalline\n");
+ node = node->next;
+ break;
+ case Endtable:
+ storeChar('}');
+ node = node->next;
+ break;
+ case Table:
+ storeString("\\table{");
+ node = node->next;
+ break;
+ case Tableitem:
+ storeChar('{');
+ node = node->next;
+ break;
+ case Endtableitem:
+ storeChar('}');
+ node = node->next;
+ break;
+ case Beginitems:
+ storeString("\\begin{items}");
+ node = node->next;
+ break;
+ case Item:
+ storeString("\n\\item");
+ node = node->next;
+ break;
+ case Enditems:
+ storeString("\n\\end{items}");
+ node = node->next;
+ break;
+/*** LINKS ***/
+/* all these guys are ended by Endbutton
+we close the brace then */
+ case Spadlink:
+ storeString("\\fauxspadlink{");
+ node = node->next;
+ break;
+ case Unixlink:
+ storeString("\\fauxunixlink{");
+ node = node->next;
+ break;
+ case Lisplink:
+ storeString("\\fauxlisplink{");
+ node = node->next;
+ break;
+ case Link:
+ storeString("\\fauxlink{");
+ node = node->next;
+ break;
+ case LispDownLink:
+ storeString("\\fauxlispdownlink{");
+ node = node->next;
+ break;
+ case LispMemoLink:
+ storeString("\\fauxlispmemolink{");
+ node = node->next;
+ break;
+ case Memolink:
+ storeString("\\fauxmemolink{");
+ node = node->next;
+ break;
+ case Windowlink:
+ storeString("\\fauxwindowlink{");
+ node = node->next;
+ break;
+ case Downlink:
+ storeString("\\fauxdownlink{");
+ node = node->next;
+ break;
+/** END OF LINKS **/
+ case Unixcommand:
+ storeString("\\unixcommand{");
+ node = node->next;
+ break;
+ case Lispcommand:
+ storeString("\\lispcommand{");
+ node = node->next;
+ break;
+ case Spadgraph:
+ storeString("\\spadgraph{");
+ node = node->next;
+ break;
+ case Spadcommand:
+ storeString("\\spadcommand{");
+ node = node->next;
+ break;
+ case Endspadcommand:
+ storeChar('}');
+ node = node->next;
+ break;
+ case Footernode:
+ storeString("% This is the footer\n");
+ node = node->next;
+ break;
+ case Endfooter:
+ storeString("% This is the end of the footer\n");
+ node = node->next;
+ break;
+ case Endheader:
+ storeString("% This is the end of the header\n");
+ node = node->next;
+ break;
+ case Headernode:
+ storeString("% This is the header\n");
+ node = node->next;
+ break;
+ default:
+ fprintf(stderr,
+ "Print_to_string: Unrecognized Keyword Type %d\n",
+ node->type);
+ node=node->next;
+ break;
+ }
+ }
+ storeChar('\0');
+ return p2sBuf;
+}
+@
+\section{License}
+<<license>>=
+/*
+Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ - Neither the name of The Numerical ALgorithms Group Ltd. nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+@
+<<*>>=
+<<license>>
+<<spadint.c>>
+@
+\eject
+\begin{thebibliography}{99}
+\bibitem{1} nothing
+\end{thebibliography}
+\end{document}
+
+
+
+