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api: limit HTTP_METHOD_MAP to HTTP methods #103

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api: limit HTTP_METHOD_MAP to HTTP methods #103

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7 changes: 6 additions & 1 deletion src/llhttp/c-headers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@ export class CHeaders {

const errorMap = enumToMap(constants.ERROR);
const methodMap = enumToMap(constants.METHODS);
const httpMethodMap = enumToMap(constants.METHODS, constants.METHODS_HTTP);
const rtspMethodMap = enumToMap(constants.METHODS, constants.METHODS_RTSP);

res += this.buildEnum('llhttp_errno', 'HPE', errorMap);
res += '\n';
Expand All @@ -39,8 +41,11 @@ export class CHeaders {

res += this.buildMap('HTTP_ERRNO', errorMap);
res += '\n';
res += this.buildMap('HTTP_METHOD', methodMap);
res += this.buildMap('HTTP_METHOD', httpMethodMap);
res += '\n';
res += this.buildMap('RTSP_METHOD', rtspMethodMap);
res += '\n';
res += this.buildMap('HTTP_ALL_METHOD', methodMap);

res += '\n';

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10 changes: 7 additions & 3 deletions src/llhttp/utils.ts
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Expand Up @@ -2,14 +2,18 @@ export interface IEnumMap {
[key: string]: number;
}

export function enumToMap(obj: any): IEnumMap {
export function enumToMap(obj: any, filter?: ReadonlyArray<number>): IEnumMap {
const res: IEnumMap = {};

Object.keys(obj).forEach((key) => {
const value = obj[key];
if (typeof value === 'number') {
res[key] = value;
if (typeof value !== 'number') {
return;
}
if (filter && !filter.includes(value)) {
return;
}
res[key] = value;
});

return res;
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2 changes: 1 addition & 1 deletion src/native/api.c
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Expand Up @@ -199,7 +199,7 @@ const char* llhttp_errno_name(llhttp_errno_t err) {
const char* llhttp_method_name(llhttp_method_t method) {
#define HTTP_METHOD_GEN(NUM, NAME, STRING) case HTTP_##NAME: return #STRING;
switch (method) {
HTTP_METHOD_MAP(HTTP_METHOD_GEN)
HTTP_ALL_METHOD_MAP(HTTP_METHOD_GEN)
default: abort();
}
#undef HTTP_METHOD_GEN
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