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-rw-r--r--qemu/qapi/string-output-visitor.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/qemu/qapi/string-output-visitor.c b/qemu/qapi/string-output-visitor.c
deleted file mode 100644
index c2e5c5b92..000000000
--- a/qemu/qapi/string-output-visitor.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * String printing Visitor
- *
- * Copyright Red Hat, Inc. 2012-2016
- *
- * Author: Paolo Bonzini <pbonzini@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qapi/string-output-visitor.h"
-#include "qapi/visitor-impl.h"
-#include "qemu/host-utils.h"
-#include <math.h>
-#include "qemu/range.h"
-
-enum ListMode {
- LM_NONE, /* not traversing a list of repeated options */
- LM_STARTED, /* start_list() succeeded */
-
- LM_IN_PROGRESS, /* next_list() has been called.
- *
- * Generating the next list link will consume the most
- * recently parsed QemuOpt instance of the repeated
- * option.
- *
- * Parsing a value into the list link will examine the
- * next QemuOpt instance of the repeated option, and
- * possibly enter LM_SIGNED_INTERVAL or
- * LM_UNSIGNED_INTERVAL.
- */
-
- LM_SIGNED_INTERVAL, /* next_list() has been called.
- *
- * Generating the next list link will consume the most
- * recently stored element from the signed interval,
- * parsed from the most recent QemuOpt instance of the
- * repeated option. This may consume QemuOpt itself
- * and return to LM_IN_PROGRESS.
- *
- * Parsing a value into the list link will store the
- * next element of the signed interval.
- */
-
- LM_UNSIGNED_INTERVAL,/* Same as above, only for an unsigned interval. */
-
- LM_END
-};
-
-typedef enum ListMode ListMode;
-
-struct StringOutputVisitor
-{
- Visitor visitor;
- bool human;
- GString *string;
- bool head;
- ListMode list_mode;
- union {
- int64_t s;
- uint64_t u;
- } range_start, range_end;
- GList *ranges;
-};
-
-static StringOutputVisitor *to_sov(Visitor *v)
-{
- return container_of(v, StringOutputVisitor, visitor);
-}
-
-static void string_output_set(StringOutputVisitor *sov, char *string)
-{
- if (sov->string) {
- g_string_free(sov->string, true);
- }
- sov->string = g_string_new(string);
- g_free(string);
-}
-
-static void string_output_append(StringOutputVisitor *sov, int64_t a)
-{
- Range *r = g_malloc0(sizeof(*r));
- r->begin = a;
- r->end = a + 1;
- sov->ranges = g_list_insert_sorted_merged(sov->ranges, r, range_compare);
-}
-
-static void string_output_append_range(StringOutputVisitor *sov,
- int64_t s, int64_t e)
-{
- Range *r = g_malloc0(sizeof(*r));
- r->begin = s;
- r->end = e + 1;
- sov->ranges = g_list_insert_sorted_merged(sov->ranges, r, range_compare);
-}
-
-static void format_string(StringOutputVisitor *sov, Range *r, bool next,
- bool human)
-{
- if (r->end - r->begin > 1) {
- if (human) {
- g_string_append_printf(sov->string, "0x%" PRIx64 "-0x%" PRIx64,
- r->begin, r->end - 1);
-
- } else {
- g_string_append_printf(sov->string, "%" PRId64 "-%" PRId64,
- r->begin, r->end - 1);
- }
- } else {
- if (human) {
- g_string_append_printf(sov->string, "0x%" PRIx64, r->begin);
- } else {
- g_string_append_printf(sov->string, "%" PRId64, r->begin);
- }
- }
- if (next) {
- g_string_append(sov->string, ",");
- }
-}
-
-static void print_type_int64(Visitor *v, const char *name, int64_t *obj,
- Error **errp)
-{
- StringOutputVisitor *sov = to_sov(v);
- GList *l;
-
- switch (sov->list_mode) {
- case LM_NONE:
- string_output_append(sov, *obj);
- break;
-
- case LM_STARTED:
- sov->range_start.s = *obj;
- sov->range_end.s = *obj;
- sov->list_mode = LM_IN_PROGRESS;
- return;
-
- case LM_IN_PROGRESS:
- if (sov->range_end.s + 1 == *obj) {
- sov->range_end.s++;
- } else {
- if (sov->range_start.s == sov->range_end.s) {
- string_output_append(sov, sov->range_end.s);
- } else {
- assert(sov->range_start.s < sov->range_end.s);
- string_output_append_range(sov, sov->range_start.s,
- sov->range_end.s);
- }
-
- sov->range_start.s = *obj;
- sov->range_end.s = *obj;
- }
- return;
-
- case LM_END:
- if (sov->range_end.s + 1 == *obj) {
- sov->range_end.s++;
- assert(sov->range_start.s < sov->range_end.s);
- string_output_append_range(sov, sov->range_start.s,
- sov->range_end.s);
- } else {
- if (sov->range_start.s == sov->range_end.s) {
- string_output_append(sov, sov->range_end.s);
- } else {
- assert(sov->range_start.s < sov->range_end.s);
-
- string_output_append_range(sov, sov->range_start.s,
- sov->range_end.s);
- }
- string_output_append(sov, *obj);
- }
- break;
-
- default:
- abort();
- }
-
- l = sov->ranges;
- while (l) {
- Range *r = l->data;
- format_string(sov, r, l->next != NULL, false);
- l = l->next;
- }
-
- if (sov->human) {
- l = sov->ranges;
- g_string_append(sov->string, " (");
- while (l) {
- Range *r = l->data;
- format_string(sov, r, l->next != NULL, true);
- l = l->next;
- }
- g_string_append(sov->string, ")");
- }
-}
-
-static void print_type_uint64(Visitor *v, const char *name, uint64_t *obj,
- Error **errp)
-{
- /* FIXME: print_type_int64 mishandles values over INT64_MAX */
- int64_t i = *obj;
- print_type_int64(v, name, &i, errp);
-}
-
-static void print_type_size(Visitor *v, const char *name, uint64_t *obj,
- Error **errp)
-{
- StringOutputVisitor *sov = to_sov(v);
- static const char suffixes[] = { 'B', 'K', 'M', 'G', 'T', 'P', 'E' };
- uint64_t div, val;
- char *out;
- int i;
-
- if (!sov->human) {
- out = g_strdup_printf("%"PRIu64, *obj);
- string_output_set(sov, out);
- return;
- }
-
- val = *obj;
-
- /* The exponent (returned in i) minus one gives us
- * floor(log2(val * 1024 / 1000). The correction makes us
- * switch to the higher power when the integer part is >= 1000.
- */
- frexp(val / (1000.0 / 1024.0), &i);
- i = (i - 1) / 10;
- assert(i < ARRAY_SIZE(suffixes));
- div = 1ULL << (i * 10);
-
- out = g_strdup_printf("%"PRIu64" (%0.3g %c%s)", val,
- (double)val/div, suffixes[i], i ? "iB" : "");
- string_output_set(sov, out);
-}
-
-static void print_type_bool(Visitor *v, const char *name, bool *obj,
- Error **errp)
-{
- StringOutputVisitor *sov = to_sov(v);
- string_output_set(sov, g_strdup(*obj ? "true" : "false"));
-}
-
-static void print_type_str(Visitor *v, const char *name, char **obj,
- Error **errp)
-{
- StringOutputVisitor *sov = to_sov(v);
- char *out;
-
- if (sov->human) {
- out = *obj ? g_strdup_printf("\"%s\"", *obj) : g_strdup("<null>");
- } else {
- out = g_strdup(*obj ? *obj : "");
- }
- string_output_set(sov, out);
-}
-
-static void print_type_number(Visitor *v, const char *name, double *obj,
- Error **errp)
-{
- StringOutputVisitor *sov = to_sov(v);
- string_output_set(sov, g_strdup_printf("%f", *obj));
-}
-
-static void
-start_list(Visitor *v, const char *name, Error **errp)
-{
- StringOutputVisitor *sov = to_sov(v);
-
- /* we can't traverse a list in a list */
- assert(sov->list_mode == LM_NONE);
- sov->list_mode = LM_STARTED;
- sov->head = true;
-}
-
-static GenericList *next_list(Visitor *v, GenericList **list, size_t size)
-{
- StringOutputVisitor *sov = to_sov(v);
- GenericList *ret = NULL;
- if (*list) {
- if (sov->head) {
- ret = *list;
- } else {
- ret = (*list)->next;
- }
-
- if (sov->head) {
- if (ret && ret->next == NULL) {
- sov->list_mode = LM_NONE;
- }
- sov->head = false;
- } else {
- if (ret && ret->next == NULL) {
- sov->list_mode = LM_END;
- }
- }
- }
-
- return ret;
-}
-
-static void end_list(Visitor *v)
-{
- StringOutputVisitor *sov = to_sov(v);
-
- assert(sov->list_mode == LM_STARTED ||
- sov->list_mode == LM_END ||
- sov->list_mode == LM_NONE ||
- sov->list_mode == LM_IN_PROGRESS);
- sov->list_mode = LM_NONE;
- sov->head = true;
-
-}
-
-char *string_output_get_string(StringOutputVisitor *sov)
-{
- char *string = g_string_free(sov->string, false);
- sov->string = NULL;
- return string;
-}
-
-Visitor *string_output_get_visitor(StringOutputVisitor *sov)
-{
- return &sov->visitor;
-}
-
-static void free_range(void *range, void *dummy)
-{
- g_free(range);
-}
-
-void string_output_visitor_cleanup(StringOutputVisitor *sov)
-{
- if (sov->string) {
- g_string_free(sov->string, true);
- }
-
- g_list_foreach(sov->ranges, free_range, NULL);
- g_list_free(sov->ranges);
- g_free(sov);
-}
-
-StringOutputVisitor *string_output_visitor_new(bool human)
-{
- StringOutputVisitor *v;
-
- v = g_malloc0(sizeof(*v));
-
- v->string = g_string_new(NULL);
- v->human = human;
- v->visitor.type_enum = output_type_enum;
- v->visitor.type_int64 = print_type_int64;
- v->visitor.type_uint64 = print_type_uint64;
- v->visitor.type_size = print_type_size;
- v->visitor.type_bool = print_type_bool;
- v->visitor.type_str = print_type_str;
- v->visitor.type_number = print_type_number;
- v->visitor.start_list = start_list;
- v->visitor.next_list = next_list;
- v->visitor.end_list = end_list;
-
- return v;
-}