Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 456 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/dmx/config/dmxprint.c b/nx-X11/programs/Xserver/hw/dmx/config/dmxprint.c
new file mode 100644
index 000000000..ed3fc213d
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/dmx/config/dmxprint.c
@@ -0,0 +1,456 @@
+/* $XFree86$ */
+/*
+ * Copyright 2002 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+/** \file
+ *
+ * This file provides support routines and helper functions to be used
+ * to pretty-print DMX configurations.
+ * 
+ * Because the DMX configuration file parsing should be capable of being
+ * used in a stand-alone fashion (i.e., independent from the DMX server
+ * source tree), no dependencies on other DMX routines are made. */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmxconfig.h"
+#include "dmxparse.h"
+#include "dmxprint.h"
+#include "parser.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+static FILE *str   = NULL;
+static int  indent = 0;
+static int  pos    = 0;
+
+/** Stack of indentation information used for pretty-printing
+ * configuration information. */
+static struct stack {
+    int          base;
+    int          comment;
+    int          step;
+    struct stack *next;
+} *stack, initialStack = { 0, 0, 4, NULL };
+
+static void dmxConfigIndent(void)
+{
+    int i;
+    if (indent < 0)  indent = 0;
+    if (indent > 40) indent = 40;
+    for (i = 0; i < indent; i++) fprintf(str, " ");
+}
+
+static void dmxConfigNewline(void)
+{
+    if (pos) fprintf(str, "\n");
+    pos = 0;
+}
+
+static void dmxConfigPushState(int base, int comment, int step)
+{
+    struct stack *new = dmxConfigAlloc(sizeof(*new));
+    new->base    = base;
+    new->comment = comment;
+    new->step    = step;
+    new->next    = stack;
+    stack        = new;
+    indent       = base;
+    dmxConfigNewline();
+}
+
+static void dmxConfigPushComment(void)
+{
+    if (stack) indent = stack->comment;
+}
+
+static void dmxConfigPushStep(void)
+{
+    if (stack) indent = stack->step;
+}
+
+static void dmxConfigPopState(void)
+{
+    struct stack *old = stack;
+
+    if (!stack) return;
+    indent = old->base;
+    stack  = old->next;
+    if (!stack) dmxConfigLog("Stack underflow\n");
+    dmxConfigFree(old);
+    dmxConfigNewline();
+}
+
+static void dmxConfigOutput(int addSpace, int doNewline, const char *comment,
+                            const char *format, ...)
+{
+    va_list args;
+
+    if (!pos) dmxConfigIndent();
+    else if (addSpace) fprintf(str, " ");
+
+    if (format) {
+        va_start(args, format);
+                                /* RATS: This hasn't been audited -- it
+                                 * could probably result in a buffer
+                                 * overflow. */
+        pos += vfprintf(str, format, args); /* assumes no newlines! */
+        va_end(args);
+    }
+
+    if (comment) {
+        if (pos) fprintf(str, " ");
+        pos += fprintf(str, "#%s", comment);
+        dmxConfigNewline();
+        dmxConfigPushComment();
+    } else if (doNewline) dmxConfigNewline();
+}
+
+static void dmxConfigPrintComment(DMXConfigCommentPtr p)
+{
+    dmxConfigOutput(1, 1, p->comment, NULL);
+}
+
+static void dmxConfigPrintTokenFlag(DMXConfigTokenPtr p, int flag)
+{
+    if (!p) return;
+    switch (p->token) {
+    case T_VIRTUAL:
+        dmxConfigPushState(0, 4, 4);
+        dmxConfigOutput(0, 0, p->comment, "virtual");
+        break;
+    case T_DISPLAY:
+        dmxConfigPushState(4, 12, 16);
+        dmxConfigOutput(0, 0, p->comment, "display");
+        break;
+    case T_WALL:
+        dmxConfigPushState(4, 12, 16);
+        dmxConfigOutput(0, 0, p->comment, "wall");
+        break;
+    case T_OPTION:
+        dmxConfigPushState(4, 12, 16);
+        dmxConfigOutput(0, 0, p->comment, "option");
+        break;
+    case T_PARAM:
+        dmxConfigPushState(4, 8, 12);
+        dmxConfigOutput(0, 0, p->comment, "param");
+        break;
+    case ';':
+        dmxConfigOutput(0, 1, p->comment, ";");
+        if (flag) dmxConfigPopState();
+        break;
+    case '{':
+        dmxConfigOutput(1, 1, p->comment, "{");
+        dmxConfigPushStep();
+        break;
+    case '}':
+        if (flag) dmxConfigPopState();
+        dmxConfigOutput(0, 1, p->comment, "}");
+        break;
+    case '/':
+        dmxConfigOutput(1, 0, NULL, "/");
+        break;
+    default:
+        dmxConfigLog("unknown token %d on line %d\n", p->token, p->line);
+    }
+}
+
+static void dmxConfigPrintToken(DMXConfigTokenPtr p)
+{
+    dmxConfigPrintTokenFlag(p, 1);
+}
+
+static void dmxConfigPrintTokenNopop(DMXConfigTokenPtr p)
+{
+    dmxConfigPrintTokenFlag(p, 0);
+}
+
+static int dmxConfigPrintQuotedString(const char *s)
+{
+    const char *pt;
+
+    if (!s || !s[0]) return 1;  /* Quote empty string */
+    for (pt = s; *pt; ++pt) if (isspace(*pt)) return 1;
+    return 0;
+}
+
+static void dmxConfigPrintString(DMXConfigStringPtr p, int quote)
+{
+    DMXConfigStringPtr pt;
+    
+    if (!p) return;
+    for (pt = p; pt; pt = pt->next) {
+        if (quote && dmxConfigPrintQuotedString(pt->string)) {
+            dmxConfigOutput(1, 0, pt->comment, "\"%s\"",
+                            pt->string ? pt->string : "");
+            } else
+            dmxConfigOutput(1, 0, pt->comment, "%s",
+                            pt->string ? pt->string : "");
+    }
+}
+
+static int dmxConfigPrintPair(DMXConfigPairPtr p, int addSpace)
+{
+    const char *format = NULL;
+    
+    if (!p) return 0;
+    switch (p->token) {
+    case T_ORIGIN:    format = "@%dx%d";   break;
+    case T_DIMENSION: format = "%dx%d";    break;
+    case T_OFFSET:    format = "%c%d%c%d"; break;
+    }
+    if (p->token == T_OFFSET) {
+        if (!p->comment && !p->x && !p->y && p->xsign >= 0 && p->ysign >= 0)
+            return 0;
+        dmxConfigOutput(addSpace, 0, p->comment, format,
+                        p->xsign < 0 ? '-' : '+', p->x,
+                        p->ysign < 0 ? '-' : '+', p->y);
+    } else {
+        if (!p->comment && !p->x && !p->y) return 0;
+        dmxConfigOutput(addSpace, 0, p->comment, format, p->x, p->y);
+    }
+    return 1;
+}
+
+static void dmxConfigPrintDisplay(DMXConfigDisplayPtr p)
+{
+    DMXConfigToken  dummyStart   = { T_DISPLAY, 0, NULL };
+    DMXConfigToken  dummyEnd     = { ';', 0, NULL };
+    DMXConfigToken  dummySep     = { '/', 0, NULL };
+    DMXConfigString dummyName    = { T_STRING, 0, NULL, NULL, NULL };
+    DMXConfigPair   dummySDim    = { T_DIMENSION, 0, NULL, 0, 0, 0, 0 };
+    DMXConfigPair   dummySOffset = { T_OFFSET, 0, NULL, 0, 0, 0, 0 };
+    DMXConfigPair   dummyRDim    = { T_DIMENSION, 0, NULL, 0, 0, 0, 0 };
+    DMXConfigPair   dummyROffset = { T_OFFSET, 0, NULL, 0, 0, 0, 0 };
+    DMXConfigPair   dummyOrigin  = { T_ORIGIN, 0, NULL, 0, 0, 0, 0 };
+    int             output;
+
+    if (p->dname) p->dname->string = p->name;
+    else          dummyName.string = p->name;
+    
+    if (p->dim && p->dim->scrn && p->dim->scrn->dim) {
+        p->dim->scrn->dim->x    = p->scrnWidth;
+        p->dim->scrn->dim->y    = p->scrnHeight;
+    } else {
+        dummySDim.x             = p->scrnWidth;
+        dummySDim.y             = p->scrnHeight;
+    }
+
+    if (p->dim && p->dim->scrn && p->dim->scrn->offset) {
+        p->dim->scrn->offset->x = p->scrnX;
+        p->dim->scrn->offset->y = p->scrnY;
+    } else {
+        dummySOffset.x          = p->scrnX;
+        dummySOffset.y          = p->scrnY;
+    }
+    
+    if (p->dim && p->dim->root && p->dim->root->dim) {
+        p->dim->root->dim->x    = p->rootWidth;
+        p->dim->root->dim->y    = p->rootHeight;
+    } else {
+        dummyRDim.x             = p->rootWidth;
+        dummyRDim.y             = p->rootHeight;
+    }
+
+    if (p->dim && p->dim->root && p->dim->root->offset) {
+        p->dim->root->offset->x = p->rootX;
+        p->dim->root->offset->y = p->rootY;
+    } else {
+        dummyROffset.x          = p->rootX;
+        dummyROffset.y          = p->rootY;
+    }
+
+    if (p->origin) {
+        p->origin->x     = p->rootXOrigin, p->origin->y     = p->rootYOrigin;
+        p->origin->xsign = p->rootXSign,   p->origin->ysign = p->rootYSign;
+    } else {
+        dummyOrigin.x     = p->rootXOrigin, dummyOrigin.y     = p->rootYOrigin;
+        dummyOrigin.xsign = p->rootXSign,   dummyOrigin.ysign = p->rootYSign;
+    }
+    
+    dmxConfigPrintToken(p->start ? p->start : &dummyStart);
+    dmxConfigPrintString(p->dname ? p->dname : &dummyName, 1);
+
+    if (p->dim && p->dim->scrn && p->dim->scrn->dim)
+        output = dmxConfigPrintPair(p->dim->scrn->dim, 1);
+    else
+        output = dmxConfigPrintPair(&dummySDim, 1);
+    if (p->dim && p->dim->scrn && p->dim->scrn->offset)
+        dmxConfigPrintPair(p->dim->scrn->offset, !output);
+    else
+        dmxConfigPrintPair(&dummySOffset, !output);
+
+    if (p->scrnWidth != p->rootWidth
+        || p->scrnHeight != p->rootHeight
+        || p->rootX
+        || p->rootY) {
+        dmxConfigPrintToken(&dummySep);
+        if (p->dim && p->dim->root && p->dim->root->dim)
+            output = dmxConfigPrintPair(p->dim->root->dim, 1);
+        else
+            output = dmxConfigPrintPair(&dummyRDim, 1);
+        if (p->dim && p->dim->root && p->dim->root->offset)
+            dmxConfigPrintPair(p->dim->root->offset, !output);
+        else
+            dmxConfigPrintPair(&dummyROffset, !output);
+    }
+
+    dmxConfigPrintPair(p->origin ? p->origin : &dummyOrigin, 1);
+    dmxConfigPrintToken(p->end ? p->end : &dummyEnd);
+}
+
+static void dmxConfigPrintWall(DMXConfigWallPtr p)
+{
+    dmxConfigPrintToken(p->start);
+    dmxConfigPrintPair(p->wallDim, 1);
+    dmxConfigPrintPair(p->displayDim, 1);
+    dmxConfigPrintString(p->nameList, 1);
+    dmxConfigPrintToken(p->end);
+}
+
+static void dmxConfigPrintOption(DMXConfigOptionPtr p)
+{
+    DMXConfigToken  dummyStart  = { T_OPTION, 0, NULL };
+    DMXConfigString dummyOption = { T_STRING, 0, NULL, NULL, NULL };
+    DMXConfigToken  dummyEnd    = { ';', 0, NULL };
+
+    dummyOption.string = p->string;
+
+    dmxConfigPrintToken(p->start ? p->start : &dummyStart);
+    dmxConfigPrintString(&dummyOption, 0);
+    dmxConfigPrintToken(p->end ? p->end : &dummyEnd);
+}
+
+static void dmxConfigPrintParam(DMXConfigParamPtr p)
+{
+    if (!p) return;
+    if (p->start) {
+        if (p->open && p->close) {
+            dmxConfigPrintToken(p->start);
+            dmxConfigPrintToken(p->open);
+            dmxConfigPrintParam(p->next);
+            dmxConfigPrintToken(p->close);
+        } else if (p->end && p->param) {
+            dmxConfigPrintToken(p->start);
+            dmxConfigPrintString(p->param, 1);
+            dmxConfigPrintToken(p->end);
+        } else
+            dmxConfigLog("dmxConfigPrintParam: cannot handle format (a)\n");
+    } else if (p->end && p->param) {
+        dmxConfigPrintString(p->param, 1);
+        dmxConfigPrintTokenNopop(p->end);
+        dmxConfigPrintParam(p->next);
+    } else
+        dmxConfigLog("dmxConfigPrintParam: cannot handle format (b)\n");
+}
+
+static void dmxConfigPrintSub(DMXConfigSubPtr p)
+{
+    DMXConfigSubPtr pt;
+
+    if (!p) return;
+    for (pt = p; pt; pt = pt->next) {
+        switch (pt->type) {
+        case dmxConfigComment: dmxConfigPrintComment(pt->comment); break;
+        case dmxConfigDisplay: dmxConfigPrintDisplay(pt->display); break;
+        case dmxConfigWall:    dmxConfigPrintWall(pt->wall);       break;
+        case dmxConfigOption:  dmxConfigPrintOption(pt->option);   break;
+        case dmxConfigParam:   dmxConfigPrintParam(pt->param);     break;
+        default:
+            dmxConfigLog("dmxConfigPrintSub:"
+                         " cannot handle type %d in subentry\n", pt->type);
+        }
+    }
+}
+
+static void dmxConfigPrintVirtual(DMXConfigVirtualPtr p)
+{
+    DMXConfigToken  dummyStart = { T_VIRTUAL, 0, NULL };
+    DMXConfigToken  dummyOpen  = { '{', 0, NULL };
+    DMXConfigToken  dummyClose = { '}', 0, NULL };
+    DMXConfigString dummyName  = { T_STRING, 0, NULL, NULL, NULL };
+    DMXConfigPair   dummyDim   = { T_DIMENSION, 0, NULL, 0, 0 };
+
+    if (p->vname) p->vname->string = p->name;
+    else          dummyName.string = p->name;
+
+    if (p->dim) p->dim->x  = p->width, p->dim->y  = p->height;
+    else        dummyDim.x = p->width, dummyDim.y = p->height;
+    
+
+    dmxConfigPrintToken(p->start ? p->start : &dummyStart);
+    dmxConfigPrintString(p->vname ? p->vname : &dummyName, 1);
+    dmxConfigPrintPair(p->dim ? p->dim : &dummyDim, 1);
+    dmxConfigPrintToken(p->open ? p->open : &dummyOpen);
+    dmxConfigPrintSub(p->subentry);
+    dmxConfigPrintToken(p->close ? p->close : &dummyClose);
+}
+
+/** The configuration information in \a entry will be pretty-printed to
+ * the \a stream.  If \a stream is NULL, then stdout will be used. */
+void dmxConfigPrint(FILE *stream, DMXConfigEntryPtr entry)
+{
+    DMXConfigEntryPtr pt;
+
+    if (!stream) str = stdout;
+    else         str = stream;
+    
+    stack = &initialStack;
+    
+    for (pt = entry; pt; pt = pt->next) {
+        switch (pt->type) {
+        case dmxConfigComment: dmxConfigPrintComment(pt->comment); break;
+        case dmxConfigVirtual: dmxConfigPrintVirtual(pt->virtual); break;
+        default:
+            dmxConfigLog("dmxConfigPrint: cannot handle type %d in entry\n",
+                         pt->type);
+        }
+    }
+    if (pos) dmxConfigNewline();
+}
+
+/** The configuration information in \a p will be pretty-printed to the
+ * \a stream.  If \a stream is NULL, then stdout will be used. */
+void dmxConfigVirtualPrint(FILE *stream, DMXConfigVirtualPtr p)
+{
+    if (!stream) str = stdout;
+    else         str = stream;
+
+    stack = &initialStack;
+    
+    dmxConfigPrintVirtual(p);
+    if (pos) dmxConfigNewline();
+}