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Add support for JSON parameters to new server
This uses the Redbean JSON parser adapted for C++.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,181 @@ | ||
| // -*- mode:c++;indent-tabs-mode:nil;c-basic-offset:4;coding:utf-8 -*- | ||
| // vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi | ||
| // | ||
| // Copyright 2024 Mozilla Foundation | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| #include "fastjson.h" | ||
|
|
||
| #include <cosmo.h> | ||
| #include <ctl/string.h> | ||
| #include <net/http/escape.h> | ||
|
|
||
| #include "double-conversion/double-to-string.h" | ||
| #include "double-conversion/utils.h" | ||
|
|
||
| static const char kEscapeLiteral[128] = { | ||
| 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 2, 9, 4, 3, 9, 9, // 0x00 | ||
| 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 0x10 | ||
| 0, 0, 7, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 6, // 0x20 | ||
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 0, // 0x30 | ||
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x40 | ||
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, // 0x50 | ||
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x60 | ||
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, // 0x70 | ||
| }; | ||
|
|
||
| static const double_conversion::DoubleToStringConverter kDoubleToJson( | ||
| double_conversion::DoubleToStringConverter::UNIQUE_ZERO | | ||
| double_conversion::DoubleToStringConverter::EMIT_POSITIVE_EXPONENT_SIGN, | ||
| "1e5000", | ||
| "null", | ||
| 'e', | ||
| -6, | ||
| 21, | ||
| 6, | ||
| 0); | ||
|
|
||
| char* | ||
| encode_bool(char* p, bool x) noexcept | ||
| { | ||
| return stpcpy(p, x ? "true" : "false"); | ||
| } | ||
|
|
||
| char* | ||
| encode_json(char* p, int x) noexcept | ||
| { | ||
| return FormatInt32(p, x); | ||
| } | ||
|
|
||
| char* | ||
| encode_json(char* p, long x) noexcept | ||
| { | ||
| return FormatInt64(p, x); | ||
| } | ||
|
|
||
| char* | ||
| encode_json(char* p, unsigned x) noexcept | ||
| { | ||
| return FormatUint32(p, x); | ||
| } | ||
|
|
||
| char* | ||
| encode_json(char* p, unsigned long x) noexcept | ||
| { | ||
| return FormatUint64(p, x); | ||
| } | ||
|
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||
| char* | ||
| encode_json(char* p, float x) noexcept | ||
| { | ||
| double_conversion::StringBuilder b(p, 256); | ||
| kDoubleToJson.ToShortestSingle(x, &b); | ||
| b.Finalize(); | ||
| return p + strlen(p); | ||
| } | ||
|
|
||
| char* | ||
| encode_json(char* p, double x) noexcept | ||
| { | ||
| double_conversion::StringBuilder b(p, 256); | ||
| kDoubleToJson.ToShortest(x, &b); | ||
| b.Finalize(); | ||
| return p + strlen(p); | ||
| } | ||
|
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||
| char* | ||
| encode_json(char* p, const ctl::string_view s) noexcept | ||
| { | ||
| *p++ = '"'; | ||
| p = encode_js_string_literal(p, s); | ||
| *p++ = '"'; | ||
| *p = 0; | ||
| return p; | ||
| } | ||
|
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||
| char* | ||
| encode_js_string_literal(char* p, const ctl::string_view s) noexcept | ||
| { | ||
| uint64_t w; | ||
| size_t i, j, m; | ||
| wint_t x, a, b; | ||
| for (size_t i = 0; i < s.size();) { | ||
| x = s[i++] & 255; | ||
| if (x >= 0300) { | ||
| a = ThomPikeByte(x); | ||
| m = ThomPikeLen(x) - 1; | ||
| if (i + m <= s.size()) { | ||
| for (j = 0;;) { | ||
| b = s[i + j] & 0xff; | ||
| if (!ThomPikeCont(b)) | ||
| break; | ||
| a = ThomPikeMerge(a, b); | ||
| if (++j == m) { | ||
| x = a; | ||
| i += j; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| switch (0 <= x && x <= 127 ? kEscapeLiteral[x] : 9) { | ||
| case 0: | ||
| *p++ = x; | ||
| break; | ||
| case 1: | ||
| *p++ = '\\'; | ||
| *p++ = 't'; | ||
| break; | ||
| case 2: | ||
| *p++ = '\\'; | ||
| *p++ = 'n'; | ||
| break; | ||
| case 3: | ||
| *p++ = '\\'; | ||
| *p++ = 'r'; | ||
| break; | ||
| case 4: | ||
| *p++ = '\\'; | ||
| *p++ = 'f'; | ||
| break; | ||
| case 5: | ||
| *p++ = '\\'; | ||
| *p++ = '\\'; | ||
| break; | ||
| case 6: | ||
| *p++ = '\\'; | ||
| *p++ = '/'; | ||
| break; | ||
| case 7: | ||
| *p++ = '\\'; | ||
| *p++ = '"'; | ||
| break; | ||
| case 9: | ||
| w = EncodeUtf16(x); | ||
| do { | ||
| *p++ = '\\'; | ||
| *p++ = 'u'; | ||
| *p++ = "0123456789abcdef"[(w & 0xF000) >> 014]; | ||
| *p++ = "0123456789abcdef"[(w & 0x0F00) >> 010]; | ||
| *p++ = "0123456789abcdef"[(w & 0x00F0) >> 004]; | ||
| *p++ = "0123456789abcdef"[(w & 0x000F) >> 000]; | ||
| } while ((w >>= 16)); | ||
| break; | ||
| default: | ||
| __builtin_unreachable(); | ||
| } | ||
| } | ||
| *p = 0; | ||
| return p; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // -*- mode:c++;indent-tabs-mode:nil;c-basic-offset:4;coding:utf-8 -*- | ||
| // vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi | ||
| // | ||
| // Copyright 2024 Mozilla Foundation | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| #pragma once | ||
| #include <ctl/string_view.h> | ||
|
|
||
| char* | ||
| encode_bool(char*, bool) noexcept; | ||
|
|
||
| char* | ||
| encode_json(char*, int) noexcept; | ||
|
|
||
| char* | ||
| encode_json(char*, long) noexcept; | ||
|
|
||
| char* | ||
| encode_json(char*, float) noexcept; | ||
|
|
||
| char* | ||
| encode_json(char*, double) noexcept; | ||
|
|
||
| char* | ||
| encode_json(char*, unsigned) noexcept; | ||
|
|
||
| char* | ||
| encode_json(char*, unsigned long) noexcept; | ||
|
|
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| char* | ||
| encode_json(char*, const ctl::string_view) noexcept; | ||
|
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| char* | ||
| encode_js_string_literal(char*, const ctl::string_view) noexcept; |
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