对于我遇到的问题,以下代码是一个非常简化的MRE 。我试图避免R
使用模板包,例如brew
,并且仅用于knit_expand()
实现我的目标。这个问题是双重的:
- 生成的块不会被解析(这在我的真实代码中没有发生,但在 MRE 中发生)
- 而不是 LaTeX
\includegraphics
,knitr
(或rmarkdown
,或pandoc
)生成用于插入数字( )的 RMarkdown 语法![]
。
对于前者,我有一种感觉,可能与我的错误使用get()
或它的论点有关。您的建议将不胜感激。MRE如下('.Rmd' 文件):
---
title: "MRE: a dynamic chunk issue"
author: "Aleksandr Blekh"
output:
pdf_document:
fig_caption: yes
keep_tex: yes
highlight: NULL
---
```{r, echo=FALSE, include=FALSE}
library(knitr)
opts_knit$set(progress = F, verbose = F)
opts_chunk$set(comment=NA, warning=FALSE, message=FALSE, echo=FALSE, tidy=FALSE)
```
```{r Preparation, results='hide'}
g1 <- plot(cars)
g2 <- plot(iris$Sepal.Length)
myPlots <- list(g1, g2)
bcRefStr <- list("objType" = "fig",
"objs" = c("g1", "g2"),
"str" = "Plots \\ref{fig:g1} and \\ref{fig:g2}")
```
```{r DynamicChunk, include=FALSE}
chunkName <- "{{name}}"
chunkHeader <- paste0("```{r ", chunkName, ", ")
chunkOptions <- "include=TRUE, results='asis', fig.height=4, fig.width=4, fig.cap='{{name}}'"
chunkHeaderFull <- paste0(chunkHeader, chunkOptions, "}")
chunkBody <- "print(get('{{name}}'))"
latexFigEnvBegin <- "cat('\\\\begin{figure}')"
latexFigEnvEnd <- "cat('\\\\end{figure}')"
latexFigCenter <- "cat('\\\\centering')"
latexObjLabel <- paste0("cat('\\\\caption{\\\\ ", "{{name}}\\\\label{", bcRefStr$objType, ":{{name}}", "}}')")
chunkText <- c(chunkHeaderFull,
latexFigEnvBegin, latexFigCenter,
chunkBody,
latexObjLabel, latexFigEnvEnd,
"```", "\n")
figReportParts <- lapply(bcRefStr$objs, function (x) knit_expand(text = chunkText, name = x))
```
`r knit(text = unlist(figReportParts))`