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-rw-r--r--qapi/string-input-visitor.c138
-rw-r--r--qapi/string-input-visitor.h25
-rw-r--r--qapi/string-output-visitor.c89
-rw-r--r--qapi/string-output-visitor.h26
4 files changed, 278 insertions, 0 deletions
diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c
new file mode 100644
index 0000000..497eb9a
--- /dev/null
+++ b/qapi/string-input-visitor.c
@@ -0,0 +1,138 @@
+/*
+ * String parsing visitor
+ *
+ * Copyright Red Hat, Inc. 2012
+ *
+ * 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-common.h"
+#include "string-input-visitor.h"
+#include "qapi/qapi-visit-impl.h"
+#include "qerror.h"
+
+struct StringInputVisitor
+{
+ Visitor visitor;
+ const char *string;
+};
+
+static void parse_type_int(Visitor *v, int64_t *obj, const char *name,
+ Error **errp)
+{
+ StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v);
+ char *endp = (char *) siv->string;
+ long long val;
+
+ errno = 0;
+ if (siv->string) {
+ val = strtoll(siv->string, &endp, 0);
+ }
+ if (!siv->string || errno || endp == siv->string || *endp) {
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
+ "integer");
+ return;
+ }
+
+ *obj = val;
+}
+
+static void parse_type_bool(Visitor *v, bool *obj, const char *name,
+ Error **errp)
+{
+ StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v);
+
+ if (siv->string) {
+ if (!strcasecmp(siv->string, "on") ||
+ !strcasecmp(siv->string, "yes") ||
+ !strcasecmp(siv->string, "true")) {
+ *obj = true;
+ return;
+ }
+ if (!strcasecmp(siv->string, "off") ||
+ !strcasecmp(siv->string, "no") ||
+ !strcasecmp(siv->string, "false")) {
+ *obj = false;
+ return;
+ }
+ }
+
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
+ "boolean");
+}
+
+static void parse_type_str(Visitor *v, char **obj, const char *name,
+ Error **errp)
+{
+ StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v);
+ if (siv->string) {
+ *obj = g_strdup(siv->string);
+ } else {
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
+ "string");
+ }
+}
+
+static void parse_type_number(Visitor *v, double *obj, const char *name,
+ Error **errp)
+{
+ StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v);
+ char *endp = (char *) siv->string;
+ double val;
+
+ errno = 0;
+ if (siv->string) {
+ val = strtod(siv->string, &endp);
+ }
+ if (!siv->string || errno || endp == siv->string || *endp) {
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
+ "number");
+ return;
+ }
+
+ *obj = val;
+}
+
+static void parse_start_optional(Visitor *v, bool *present,
+ const char *name, Error **errp)
+{
+ StringInputVisitor *siv = DO_UPCAST(StringInputVisitor, visitor, v);
+
+ if (!siv->string) {
+ *present = false;
+ return;
+ }
+
+ *present = true;
+}
+
+Visitor *string_input_get_visitor(StringInputVisitor *v)
+{
+ return &v->visitor;
+}
+
+void string_input_visitor_cleanup(StringInputVisitor *v)
+{
+ g_free(v);
+}
+
+StringInputVisitor *string_input_visitor_new(const char *str)
+{
+ StringInputVisitor *v;
+
+ v = g_malloc0(sizeof(*v));
+
+ v->visitor.type_enum = input_type_enum;
+ v->visitor.type_int = parse_type_int;
+ v->visitor.type_bool = parse_type_bool;
+ v->visitor.type_str = parse_type_str;
+ v->visitor.type_number = parse_type_number;
+ v->visitor.start_optional = parse_start_optional;
+
+ v->string = str;
+ return v;
+}
diff --git a/qapi/string-input-visitor.h b/qapi/string-input-visitor.h
new file mode 100644
index 0000000..d269d42
--- /dev/null
+++ b/qapi/string-input-visitor.h
@@ -0,0 +1,25 @@
+/*
+ * String parsing Visitor
+ *
+ * Copyright Red Hat, Inc. 2012
+ *
+ * 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.
+ *
+ */
+
+#ifndef STRING_INPUT_VISITOR_H
+#define STRING_INPUT_VISITOR_H
+
+#include "qapi-visit-core.h"
+
+typedef struct StringInputVisitor StringInputVisitor;
+
+StringInputVisitor *string_input_visitor_new(const char *str);
+void string_input_visitor_cleanup(StringInputVisitor *v);
+
+Visitor *string_input_get_visitor(StringInputVisitor *v);
+
+#endif
diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c
new file mode 100644
index 0000000..92b0305
--- /dev/null
+++ b/qapi/string-output-visitor.c
@@ -0,0 +1,89 @@
+/*
+ * String printing Visitor
+ *
+ * Copyright Red Hat, Inc. 2012
+ *
+ * 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-common.h"
+#include "string-output-visitor.h"
+#include "qapi/qapi-visit-impl.h"
+#include "qerror.h"
+
+struct StringOutputVisitor
+{
+ Visitor visitor;
+ char *string;
+};
+
+static void string_output_set(StringOutputVisitor *sov, char *string)
+{
+ g_free(sov->string);
+ sov->string = string;
+}
+
+static void print_type_int(Visitor *v, int64_t *obj, const char *name,
+ Error **errp)
+{
+ StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
+ string_output_set(sov, g_strdup_printf("%lld", (long long) *obj));
+}
+
+static void print_type_bool(Visitor *v, bool *obj, const char *name,
+ Error **errp)
+{
+ StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
+ string_output_set(sov, g_strdup(*obj ? "true" : "false"));
+}
+
+static void print_type_str(Visitor *v, char **obj, const char *name,
+ Error **errp)
+{
+ StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
+ string_output_set(sov, g_strdup(*obj ? *obj : ""));
+}
+
+static void print_type_number(Visitor *v, double *obj, const char *name,
+ Error **errp)
+{
+ StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
+ string_output_set(sov, g_strdup_printf("%g", *obj));
+}
+
+char *string_output_get_string(StringOutputVisitor *sov)
+{
+ char *string = sov->string;
+ sov->string = NULL;
+ return string;
+}
+
+Visitor *string_output_get_visitor(StringOutputVisitor *sov)
+{
+ return &sov->visitor;
+}
+
+void string_output_visitor_cleanup(StringOutputVisitor *sov)
+{
+ g_free(sov->string);
+ g_free(sov);
+}
+
+StringOutputVisitor *string_output_visitor_new(void)
+{
+ StringOutputVisitor *v;
+
+ v = g_malloc0(sizeof(*v));
+
+ v->visitor.type_enum = output_type_enum;
+ v->visitor.type_int = print_type_int;
+ v->visitor.type_bool = print_type_bool;
+ v->visitor.type_str = print_type_str;
+ v->visitor.type_number = print_type_number;
+
+ return v;
+}
diff --git a/qapi/string-output-visitor.h b/qapi/string-output-visitor.h
new file mode 100644
index 0000000..8868454
--- /dev/null
+++ b/qapi/string-output-visitor.h
@@ -0,0 +1,26 @@
+/*
+ * String printing Visitor
+ *
+ * Copyright Red Hat, Inc. 2012
+ *
+ * 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.
+ *
+ */
+
+#ifndef STRING_OUTPUT_VISITOR_H
+#define STRING_OUTPUT_VISITOR_H
+
+#include "qapi-visit-core.h"
+
+typedef struct StringOutputVisitor StringOutputVisitor;
+
+StringOutputVisitor *string_output_visitor_new(void);
+void string_output_visitor_cleanup(StringOutputVisitor *v);
+
+char *string_output_get_string(StringOutputVisitor *v);
+Visitor *string_output_get_visitor(StringOutputVisitor *v);
+
+#endif
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