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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "string_stuff.h"
#include <vespa/vespalib/util/stringfmt.h>
namespace vespalib::eval {
vespalib::string as_quoted_string(const vespalib::string &str) {
vespalib::string res;
res.push_back('"');
for (char c: str) {
switch (c) {
case '\\':
res.append("\\\\");
break;
case '"':
res.append("\\\"");
break;
case '\t':
res.append("\\t");
break;
case '\n':
res.append("\\n");
break;
case '\r':
res.append("\\r");
break;
case '\f':
res.append("\\f");
break;
default:
if (static_cast<unsigned char>(c) >= 32 &&
static_cast<unsigned char>(c) <= 126)
{
res.push_back(c);
} else {
const char *lookup = "0123456789abcdef";
res.append("\\x");
res.push_back(lookup[(c >> 4) & 0xf]);
res.push_back(lookup[c & 0xf]);
}
}
}
res.push_back('"');
return res;
}
bool is_number(const vespalib::string &str) {
for (char c: str) {
if (!isdigit(c)) {
return false;
}
}
return true;
}
size_t as_number(const vespalib::string &str) {
return atoi(str.c_str());
}
vespalib::string as_string(const TensorSpec::Address &address) {
CommaTracker label_list;
vespalib::string str = "{";
for (const auto &label: address) {
label_list.maybe_add_comma(str);
if (label.second.is_mapped()) {
str += make_string("%s:%s", label.first.c_str(), as_quoted_string(label.second.name).c_str());
} else {
str += make_string("%s:%zu", label.first.c_str(), label.second.index);
}
}
str += "}";
return str;
}
}
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