WinPR::Clipboard: Add to convert uri to local file
URI is specified by RFC 8089: https://datatracker.ietf.org/doc/html/rfc8089 Local files: o A traditional file URI for a local file with an empty authority. For example: * "file:///path/to/file" o The minimal representation of a local file with no authority field and an absolute path that begins with a slash "/". For example: * "file:/path/to/file" o The minimal representation of a local file in a DOS- or Windows- based environment with no authority field and an absolute path that begins with a drive letter. For example: * "file:c:/path/to/file" o Regular DOS or Windows file URIs with vertical line characters in the drive letter construct. For example: * "file:///c|/path/to/file" * "file:/c|/path/to/file" * "file:c|/path/to/file"
This commit is contained in:
Kang Lin
akallabeth
parent
22bd0a43e6
commit
6a6e3340c7
@ -439,31 +439,158 @@ static BOOL process_file_name(wClipboard* clipboard, const char* local_name, wAr
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return result;
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}
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static BOOL process_uri(wClipboard* clipboard, const char* uri, size_t uri_len)
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static BOOL is_dos_driver(const char* path)
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{
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const char prefix[] = "file://";
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BOOL result = FALSE;
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char* name = NULL;
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if ((path[1] == ':' || path[1] == '|') &&
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((path[0] >= 'A' && path[0] <= 'Z') || (path[0] >= 'a' && path[0] <= 'z')))
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return TRUE;
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return FALSE;
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}
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#if !defined(BUILD_TESTING)
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static
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#endif
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char*
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parse_uri_to_local_file(const char* uri, size_t uri_len)
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{
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// URI is specified by RFC 8089: https://datatracker.ietf.org/doc/html/rfc8089
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const char prefix[] = "file:";
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const char prefixTraditional[] = "file://";
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char* localName = NULL;
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size_t localLen = 0;
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char* buffer = NULL;
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const size_t prefixLen = strnlen(prefix, sizeof(prefix));
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WINPR_ASSERT(clipboard);
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const size_t prefixTraditionalLen = strnlen(prefixTraditional, sizeof(prefixTraditional));
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WLog_VRB(TAG, "processing URI: %.*s", uri_len, uri);
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if ((uri_len < prefixLen) || strncmp(uri, prefix, prefixLen))
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{
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WLog_ERR(TAG, "non-'file://' URI schemes are not supported");
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goto out;
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WLog_ERR(TAG, "non-'file:' URI schemes are not supported");
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return NULL;
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}
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name = decode_percent_encoded_string(uri + prefixLen, uri_len - prefixLen);
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do
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{
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/* https://datatracker.ietf.org/doc/html/rfc8089#appendix-F
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* - The minimal representation of a local file in a DOS- or Windows-
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* based environment with no authority field and an absolute path
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* that begins with a drive letter.
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*
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* "file:c:/path/to/file"
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*
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* - Regular DOS or Windows file URIs with vertical line characters in
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* the drive letter construct.
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*
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* "file:c|/path/to/file"
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*
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*/
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if (uri[prefixLen] != '/')
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{
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if (!name)
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goto out;
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if (is_dos_driver(uri + prefixLen))
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{
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// Dos and Windows file URI
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localName = (char*)(uri + prefixLen);
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localLen = uri_len - prefixLen;
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break;
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}
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else
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{
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WLog_ERR(TAG, "URI format are not supported: %s", uri);
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return NULL;
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}
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}
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/*
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* - The minimal representation of a local file with no authority field
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* and an absolute path that begins with a slash "/". For example:
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*
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* "file:/path/to/file"
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*
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*/
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if (uri[prefixLen] == '/' && uri[prefixLen + 1] != '/')
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{
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if (is_dos_driver(uri + prefixLen + 1))
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{
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// Dos and Windows file URI
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localName = (char*)(uri + prefixLen + 1);
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localLen = uri_len - prefixLen - 1;
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}
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else
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{
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localName = (char*)uri + prefixLen;
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localLen = uri_len - prefixLen;
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}
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break;
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}
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/*
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* - A traditional file URI for a local file with an empty authority.
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*
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* "file:///path/to/file"
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*/
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if ((uri_len < prefixTraditionalLen) ||
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strncmp(uri, prefixTraditional, prefixTraditionalLen))
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{
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WLog_ERR(TAG, "non-'file:' URI schemes are not supported");
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return NULL;
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}
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localName = (char*)(uri + prefixTraditionalLen);
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localLen = uri_len - prefixTraditionalLen;
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/*
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* "file:///c:/path/to/file"
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* "file:///c|/path/to/file"
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*/
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if (localName[0] != '/')
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{
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WLog_ERR(TAG, "URI format are not supported: %s", uri);
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return NULL;
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}
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if (is_dos_driver(localName + 1))
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{
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localName++;
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localLen--;
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}
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} while (0);
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buffer = calloc(localLen + 1, sizeof(char));
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if (buffer)
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{
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memcpy(buffer, localName, localLen);
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if (buffer[1] == '|' &&
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((buffer[0] >= 'A' && buffer[0] <= 'Z') || (buffer[0] >= 'a' && buffer[0] <= 'z')))
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buffer[1] = ':';
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return buffer;
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}
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return NULL;
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}
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static BOOL process_uri(wClipboard* clipboard, const char* uri, size_t uri_len)
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{
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// URI is specified by RFC 8089: https://datatracker.ietf.org/doc/html/rfc8089
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BOOL result = FALSE;
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char* name = NULL;
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char* localName = NULL;
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WINPR_ASSERT(clipboard);
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localName = parse_uri_to_local_file(uri, uri_len);
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if (localName)
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{
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name = decode_percent_encoded_string(localName, strlen(localName));
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free(localName);
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}
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if (name)
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{
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result = process_file_name(clipboard, name, clipboard->localFiles);
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free(name);
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}
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result = process_file_name(clipboard, name, clipboard->localFiles);
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out:
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free(name);
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return result;
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}
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@ -12,10 +12,10 @@ create_test_sourcelist(${MODULE_PREFIX}_SRCS
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${${MODULE_PREFIX}_TESTS})
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add_executable(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})
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target_link_libraries(${MODULE_NAME} winpr)
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set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}")
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set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY
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"${TESTING_OUTPUT_DIRECTORY}")
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foreach(test ${${MODULE_PREFIX}_TESTS})
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get_filename_component(TestName ${test} NAME_WE)
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@ -23,3 +23,11 @@ foreach(test ${${MODULE_PREFIX}_TESTS})
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endforeach()
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set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "WinPR/Test")
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if(NOT WIN32)
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add_executable(TestUri TestUri.c)
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target_link_libraries(TestUri winpr)
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set_target_properties(TestUri PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}")
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add_test(TestUri ${TESTING_OUTPUT_DIRECTORY}/TestUri)
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set_property(TARGET TestUri PROPERTY FOLDER "WinPR/Test")
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endif()
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67
winpr/libwinpr/clipboard/test/TestUri.c
Normal file
67
winpr/libwinpr/clipboard/test/TestUri.c
Normal file
@ -0,0 +1,67 @@
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#include <stdio.h>
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#include <string.h>
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#include <memory.h>
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#include <stdlib.h>
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#include <winpr/winpr.h>
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#include "winpr/wlog.h"
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#define WINPR_TAG(tag) "com.winpr." tag
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#define TAG WINPR_TAG("clipboard.posix")
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char* parse_uri_to_local_file(const char* uri, size_t uri_len);
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int main(void)
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{
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int nRet = 0;
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const char* input[] = { /*uri, file or NULL*/
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"file://root/a.txt",
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NULL,
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"file:a.txt",
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NULL,
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"file:///c:/windows/a.txt",
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"c:/windows/a.txt",
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"file:c:/windows/a.txt",
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"c:/windows/a.txt",
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"file:c|/windows/a.txt",
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"c:/windows/a.txt",
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"file:///root/a.txt",
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"/root/a.txt",
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"file:/root/a.txt",
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"/root/a.txt"
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};
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const size_t nLen = ARRAYSIZE(input);
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printf("input length:%" PRIuz "\n", nLen / 2);
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WLog_SetLogLevel(WLog_Get(TAG), WLOG_ERROR);
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for (size_t i = 0; i < nLen; i += 2)
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{
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int bTest = 0;
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char* name = parse_uri_to_local_file(input[i], strlen(input[i]));
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if (name)
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{
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bTest = !strcmp(name, input[i + 1]);
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if (!bTest)
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{
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printf("Test error: input: %s; Expected value: %s; output: %s\n", input[i],
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input[i + 1], name);
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nRet++;
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}
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free(name);
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}
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else
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{
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if (input[i + 1])
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{
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printf("Test error: input: %s; Expected value: %s; output: %s\n", input[i],
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input[i + 1], name);
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nRet++;
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}
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}
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}
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printf("TestUri return value: %d\n", nRet);
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return nRet;
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}
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