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Replace wpi::raw_istream with wpi::MemoryBuffer (#5675)

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Instances of wpi::raw_istream were left that are reading incrementally
from file descriptors like USB devices.
This commit is contained in:
Tyler Veness
2023-09-21 23:20:09 -07:00
committed by GitHub
parent 1b6ec5a95d
commit 5ab54ff760
7 changed files with 51 additions and 56 deletions
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20
glass/src/lib/native/cpp/other/Field2D.cpp
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@@ -24,12 +24,12 @@
#include <portable-file-dialogs.h>
#include <units/angle.h>
#include <units/length.h>
#include <wpi/MemoryBuffer.h>
#include <wpi/SmallString.h>
#include <wpi/StringExtras.h>
#include <wpi/StringMap.h>
#include <wpi/fs.h>
#include <wpi/json.h>
#include <wpi/raw_istream.h>
#include <wpigui.h>
#include "glass/Context.h"
@@ -238,7 +238,7 @@ class FieldInfo {
private:
void Reset();
bool LoadImageImpl(const std::string& fn);
bool LoadJson(wpi::raw_istream& is, std::string_view filename);
bool LoadJson(std::span<const char> is, std::string_view filename);
void LoadJsonFile(std::string_view jsonfile);
std::unique_ptr<pfd::open_file> m_fileOpener;
@@ -423,12 +423,11 @@ void FieldInfo::LoadImage() {
for (auto&& field : fields::GetFields()) {
if (field.name == m_builtin) {
auto jsonstr = field.getJson();
wpi::raw_mem_istream is{jsonstr.data(), jsonstr.size()};
auto imagedata = field.getImage();
auto texture = gui::Texture::CreateFromImage(
reinterpret_cast<const unsigned char*>(imagedata.data()),
imagedata.size());
if (texture && LoadJson(is, {})) {
if (texture && LoadJson({jsonstr.data(), jsonstr.size()}, {})) {
m_texture = std::move(texture);
m_imageWidth = m_texture.GetWidth();
m_imageHeight = m_texture.GetHeight();
@@ -445,11 +444,11 @@ void FieldInfo::LoadImage() {
}
}
bool FieldInfo::LoadJson(wpi::raw_istream& is, std::string_view filename) {
bool FieldInfo::LoadJson(std::span<const char> is, std::string_view filename) {
// parse file
wpi::json j;
try {
j = wpi::json::parse(is);
j = wpi::json::parse({is.data(), is.size()});
} catch (const wpi::json::parse_error& e) {
fmt::print(stderr, "GUI: JSON: could not parse: {}\n", e.what());
return false;
@@ -532,12 +531,15 @@ bool FieldInfo::LoadJson(wpi::raw_istream& is, std::string_view filename) {
void FieldInfo::LoadJsonFile(std::string_view jsonfile) {
std::error_code ec;
wpi::raw_fd_istream f(jsonfile, ec);
if (ec) {
std::unique_ptr<wpi::MemoryBuffer> fileBuffer =
wpi::MemoryBuffer::GetFile(jsonfile, ec);
if (fileBuffer == nullptr || ec) {
std::fputs("GUI: could not open field JSON file\n", stderr);
return;
}
LoadJson(f, jsonfile);
LoadJson(
{reinterpret_cast<const char*>(fileBuffer->begin()), fileBuffer->size()},
jsonfile);
}
bool FieldInfo::LoadImageImpl(const std::string& fn) {